Name Period
... 1. Sodium (Na) and calcium (Ca) are in different families (groups) of metals. Name the families of metals in which they belong and describe each family’s characteristics. Na ---family name_____________number__ Characteristics of that family:______________________________ ____________________________ ...
... 1. Sodium (Na) and calcium (Ca) are in different families (groups) of metals. Name the families of metals in which they belong and describe each family’s characteristics. Na ---family name_____________number__ Characteristics of that family:______________________________ ____________________________ ...
Periodic Table ppt
... industry in arc welding, to dilute the oxygen in deep-sea divers' gas tanks, and to fill light bulbs. Argon is used in arc welding and in common light bulbs, as it does not react with the metal at high temperatures. Helium is used for diluting the pure oxygen in deep-sea diving tanks because the hel ...
... industry in arc welding, to dilute the oxygen in deep-sea divers' gas tanks, and to fill light bulbs. Argon is used in arc welding and in common light bulbs, as it does not react with the metal at high temperatures. Helium is used for diluting the pure oxygen in deep-sea diving tanks because the hel ...
Lecture 7
... Going down the group the cations formed get bigger. This means that the positive charge is spread over a larger volume and so is less concentrated. A small ion with its concentrated charge has a high charge density. This high charge density gives the ion the ability to distort or polarize nearby ani ...
... Going down the group the cations formed get bigger. This means that the positive charge is spread over a larger volume and so is less concentrated. A small ion with its concentrated charge has a high charge density. This high charge density gives the ion the ability to distort or polarize nearby ani ...
Unit 3 Test Review – Periodic Table (Yes, this is worth a grade!) Fill
... _____ 19. best conductor of heat and electricity. _____ 20. has a completely filled outer energy level _____ 21. used in advertising signs _____ 22. forms table salt when combined with chlorine _____ 23. used for coins, fine eating utensils and jewelry _____ 24. has 1 valance electron _____ 25. unre ...
... _____ 19. best conductor of heat and electricity. _____ 20. has a completely filled outer energy level _____ 21. used in advertising signs _____ 22. forms table salt when combined with chlorine _____ 23. used for coins, fine eating utensils and jewelry _____ 24. has 1 valance electron _____ 25. unre ...
Introduction to the Periodic Table Notes
... Alkaline earth metals include magnesium and calcium, among others. ...
... Alkaline earth metals include magnesium and calcium, among others. ...
Exercise #5_Chpt 2
... 4. Sodium phosphate and barium sulfate are made during a reaction between sodium sulfate and barium phosphate. ...
... 4. Sodium phosphate and barium sulfate are made during a reaction between sodium sulfate and barium phosphate. ...
ch3 - ChemistryVCE
... so the term inert does not accurately describe krypton and xenon. Hence, the term ‘noble gases’ is used. Q25. How do chemists explain the very low reactivity of the noble gases? A25. Each of the noble gases has eight electrons in its outer shell. Chemists recognise this as a stable configuration tha ...
... so the term inert does not accurately describe krypton and xenon. Hence, the term ‘noble gases’ is used. Q25. How do chemists explain the very low reactivity of the noble gases? A25. Each of the noble gases has eight electrons in its outer shell. Chemists recognise this as a stable configuration tha ...
ch3 - sscyr11chemistry
... so the term inert does not accurately describe krypton and xenon. Hence, the term ‘noble gases’ is used. Q25. How do chemists explain the very low reactivity of the noble gases? A25. Each of the noble gases has eight electrons in its outer shell. Chemists recognise this as a stable configuration tha ...
... so the term inert does not accurately describe krypton and xenon. Hence, the term ‘noble gases’ is used. Q25. How do chemists explain the very low reactivity of the noble gases? A25. Each of the noble gases has eight electrons in its outer shell. Chemists recognise this as a stable configuration tha ...
Chemical Reactions Practice Test
... b) the same number of atoms c) half the number of atoms _____2. What unit allows chemists to compare one chemical to another? a) amu b) kilograms c) atomic weights d) moles ______3. The coefficients from the balanced equation represent a) mole ratios b) masses c) molar masses _______4. In a chemical ...
... b) the same number of atoms c) half the number of atoms _____2. What unit allows chemists to compare one chemical to another? a) amu b) kilograms c) atomic weights d) moles ______3. The coefficients from the balanced equation represent a) mole ratios b) masses c) molar masses _______4. In a chemical ...
Trends on the Periodic Table
... violently with water! They dissolve and create an alkaline, or basic, solution, hence their name. Alkaline earth metals (2)—These also are reactive metals, but they don’t explode in water; pastes of these are used in batteries. Halogens (17)—Known as the “salt formers,” they are used in modern light ...
... violently with water! They dissolve and create an alkaline, or basic, solution, hence their name. Alkaline earth metals (2)—These also are reactive metals, but they don’t explode in water; pastes of these are used in batteries. Halogens (17)—Known as the “salt formers,” they are used in modern light ...
6-1-Periodic Law
... introduction of the atomic number. It was found that if Mendeleev's table was ordered by atomic number instead of atomic mass the inconsistencies in the table were eliminated. This is the blueprint for the modern periodic table. ...
... introduction of the atomic number. It was found that if Mendeleev's table was ordered by atomic number instead of atomic mass the inconsistencies in the table were eliminated. This is the blueprint for the modern periodic table. ...
CPA Study Guide for Chapter 6 Test The Periodic Table Know the
... Trend in atomic radius; comparing radii in an isoelectronic series; comparing the radius of a parent atom to its ion Be able to identify the number of valence electrons in each family of the representative elements Be able to predict the charge on an ion based on the atoms tendency to obtain a noble ...
... Trend in atomic radius; comparing radii in an isoelectronic series; comparing the radius of a parent atom to its ion Be able to identify the number of valence electrons in each family of the representative elements Be able to predict the charge on an ion based on the atoms tendency to obtain a noble ...
Ch 5
... ** Mendeleev left holes in the table but he predicted the existence & properties of 3 elements that would fit in the spaces. Therefore, he is credited with the periodic law. ...
... ** Mendeleev left holes in the table but he predicted the existence & properties of 3 elements that would fit in the spaces. Therefore, he is credited with the periodic law. ...
periodicity
... • Most reactive group of elements • Why? They have 7 valence electrons and want 1 to have a full octet • Based on electronegativity values • Have an electron configuration of ns2 np5 • Fluorine has the greatest Electronegativity ...
... • Most reactive group of elements • Why? They have 7 valence electrons and want 1 to have a full octet • Based on electronegativity values • Have an electron configuration of ns2 np5 • Fluorine has the greatest Electronegativity ...
Electronegativity, Ionization Energy and Atomic Radius Chart
... - They are only found bonded to other elements in compounds in their natural state. - They can be separated from those compounds using electricity (electrolytic decomposition). - They combine with hydrogen, to form strong acids (like hydrochloric acid, HCl). Fluorine and chlorine are extremely corro ...
... - They are only found bonded to other elements in compounds in their natural state. - They can be separated from those compounds using electricity (electrolytic decomposition). - They combine with hydrogen, to form strong acids (like hydrochloric acid, HCl). Fluorine and chlorine are extremely corro ...
Reading the Periodic Table - Science
... • The horizontal rows of the periodic table are called periods. • Elements in a period are not alike in properties. • The first element in a period is usually an active solid, and the last element in a period is always an inactive gas. ...
... • The horizontal rows of the periodic table are called periods. • Elements in a period are not alike in properties. • The first element in a period is usually an active solid, and the last element in a period is always an inactive gas. ...
Unit 2.7: Periodic Table Group1 Group2 Li Be Na Mg K Ca Rb Sr Cs
... Group 2 metals have higher melting temperature than group1 metals in the same period. This is because each atom loses two electrons to form the metallic bond, which is therefore stronger than metallic bond in group 1 metal and also metallic radius of group2 elements is smaller than group1 elements i ...
... Group 2 metals have higher melting temperature than group1 metals in the same period. This is because each atom loses two electrons to form the metallic bond, which is therefore stronger than metallic bond in group 1 metal and also metallic radius of group2 elements is smaller than group1 elements i ...
specimen
... 3 Chemists have developed models for bonding and structure. These models are used to explain different properties of metals and non-metals. (a) (i) Draw a labelled diagram to show the currently accepted model for metallic bonding. ...
... 3 Chemists have developed models for bonding and structure. These models are used to explain different properties of metals and non-metals. (a) (i) Draw a labelled diagram to show the currently accepted model for metallic bonding. ...
Conservation of Mass Lab
... In this reaction, the aluminum sulfate looks the most complicated, so start there. Look at what happens with sulfate—since it remains sulfate on the right side of the reaction, treat it as a unit. You have three on the left side and only one on the right side, so place a coefficient of 3 in front of ...
... In this reaction, the aluminum sulfate looks the most complicated, so start there. Look at what happens with sulfate—since it remains sulfate on the right side of the reaction, treat it as a unit. You have three on the left side and only one on the right side, so place a coefficient of 3 in front of ...
The Periodic Table - Miss Schaefer`s Science Grade 8
... • Elements on the periodic table can be grouped into families (or groups) based on their chemical properties. – We call them “families” because the elements in each family are “related.” ...
... • Elements on the periodic table can be grouped into families (or groups) based on their chemical properties. – We call them “families” because the elements in each family are “related.” ...
clean-color-coded-periodic-table_ochoa-edit
... Directions: Be sure to follow all instructions carefully and completely! Use your textbook (the back cover and pp. 177-181 will be very useful!) and any other resources to help you complete the periodic table. 1. Draw a RED diagonal line through the elements that exist as a gas at room temperature. ...
... Directions: Be sure to follow all instructions carefully and completely! Use your textbook (the back cover and pp. 177-181 will be very useful!) and any other resources to help you complete the periodic table. 1. Draw a RED diagonal line through the elements that exist as a gas at room temperature. ...
Chapter 15 – The Periodic Table
... elements in order of increasing atomic weights. Proposed the Law of Octaves. Meyer (1869) Compiled a periodic table with elements arranged by atomic weight. Elements with similar properties arranged in columns. Mendeleev (1869) Created a periodic with elements arranged by atomic weight. Elements ...
... elements in order of increasing atomic weights. Proposed the Law of Octaves. Meyer (1869) Compiled a periodic table with elements arranged by atomic weight. Elements with similar properties arranged in columns. Mendeleev (1869) Created a periodic with elements arranged by atomic weight. Elements ...
The Periodic Table Worksheet
... 11. There are two rows of elements on the bottom of the table. These elements are the rare earth metals. What is the name given to each of these rows of elements? ___________________ ___________________ 12. Name two elements in group VIIA. ___________________ ___________________ ...
... 11. There are two rows of elements on the bottom of the table. These elements are the rare earth metals. What is the name given to each of these rows of elements? ___________________ ___________________ 12. Name two elements in group VIIA. ___________________ ___________________ ...