Monday - Houston ISD
... Standards does it support? - How does it support the Readiness Standards? I will know my students have mastered this standard when they can…. ...
... Standards does it support? - How does it support the Readiness Standards? I will know my students have mastered this standard when they can…. ...
Chemical Elements Essay Research Paper At first
... really existed? Or would chemists continue to find an unlimited number with passing time? Second, was there some way that all these elements could be organized? Also was there families or groups into which they could be arranged? The answer to the second question was provided in 1869 almost simultan ...
... really existed? Or would chemists continue to find an unlimited number with passing time? Second, was there some way that all these elements could be organized? Also was there families or groups into which they could be arranged? The answer to the second question was provided in 1869 almost simultan ...
Bohr Model Activity
... e. Use a different colour to highlight the electrons in the outermost shell. ...
... e. Use a different colour to highlight the electrons in the outermost shell. ...
Chapter 5 - The Periodic Law
... Periods and the Blocks of the Periodic Table A. Periods 1. Horizontal rows on the periodic table 2. Period number corresponds to the highest principal quantum number of the elements in the period B. Sublevel Blocks 1. Periodic table can be broken into blocks corresponding to s, p, d, f sublevels II. ...
... Periods and the Blocks of the Periodic Table A. Periods 1. Horizontal rows on the periodic table 2. Period number corresponds to the highest principal quantum number of the elements in the period B. Sublevel Blocks 1. Periodic table can be broken into blocks corresponding to s, p, d, f sublevels II. ...
CHEM121 Lecture Ch2
... Elements and Symbols • Elements: – primary substances from which all other things are built. – Cannot be broken down into simpler substances ...
... Elements and Symbols • Elements: – primary substances from which all other things are built. – Cannot be broken down into simpler substances ...
Unit 4 (2016 – 2017)
... He was considered the ____________ of the Modern Periodic Table. He left blanks where elements seemed to be missing. There were places where heavier elements came before lighter elements because of properties: Te - I, ...
... He was considered the ____________ of the Modern Periodic Table. He left blanks where elements seemed to be missing. There were places where heavier elements came before lighter elements because of properties: Te - I, ...
graphingtrendschemistry
... b) What happens to the number of energy levels as you move down a column on the periodic table. How and why does this effect ionization energy? As you move down the periodic table, ionization energy decreases. Electrons become further from the nucleus which makes it easier to remove the outermost on ...
... b) What happens to the number of energy levels as you move down a column on the periodic table. How and why does this effect ionization energy? As you move down the periodic table, ionization energy decreases. Electrons become further from the nucleus which makes it easier to remove the outermost on ...
The Periodic Table
... Trends in Atomic Size Atomic size is an atom’s atomic radius, or one-half the distance between two like atoms when they are joined together. Atomic size generally increases from top to bottom within a group because the number of energy levels increases. Atomic size decreases from left to right acros ...
... Trends in Atomic Size Atomic size is an atom’s atomic radius, or one-half the distance between two like atoms when they are joined together. Atomic size generally increases from top to bottom within a group because the number of energy levels increases. Atomic size decreases from left to right acros ...
Ch. 6 PPT
... The Modern Periodic Table (cont.) • Non-metals are elements that are generally gases or brittle, dull-looking solids, and poor conductors of heat and electricity. • Group 17 is composed of highly reactive elements called halogens. • Group 18 gases are extremely unreactive and commonly called noble ...
... The Modern Periodic Table (cont.) • Non-metals are elements that are generally gases or brittle, dull-looking solids, and poor conductors of heat and electricity. • Group 17 is composed of highly reactive elements called halogens. • Group 18 gases are extremely unreactive and commonly called noble ...
Periodic Table Notes Powerpoin
... 1. Atomic Radius – (size) a. increases as you move top to bottom within a group or family b. decreases as you move left to right because of effective nuclear charge → more protons in the nucleus to attract the electrons ...
... 1. Atomic Radius – (size) a. increases as you move top to bottom within a group or family b. decreases as you move left to right because of effective nuclear charge → more protons in the nucleus to attract the electrons ...
THE PERIODIC TABLE and PERIODIC LAW
... 1. Definition---a vertical column of elements on the Periodic Table --also called a “Family” 2. Valence electrons and group number---each element within a group has the same number of valence electrons --In general, the group number is equal to the number of valence electrons --For group numbers gre ...
... 1. Definition---a vertical column of elements on the Periodic Table --also called a “Family” 2. Valence electrons and group number---each element within a group has the same number of valence electrons --In general, the group number is equal to the number of valence electrons --For group numbers gre ...
Trends on the Periodic Table
... 5. Which of these elements has a larger ionization energy? a) sodium or potassium b) magnesium or phosphorous 7. What criterion did Mendeleev use in arranging his periodic table? What criterion was used in constructing the modern periodic table? 8. What is the periodic law? 9. How do the terms group ...
... 5. Which of these elements has a larger ionization energy? a) sodium or potassium b) magnesium or phosphorous 7. What criterion did Mendeleev use in arranging his periodic table? What criterion was used in constructing the modern periodic table? 8. What is the periodic law? 9. How do the terms group ...
Review guide for Chemistry`s First Semester Exam Unit 1 Thinking
... 8. Write the value of density for pure water Know what makes one substance more dense than a different substance 9. If you have 1 kg of lead and 1 kg of cotton, which takes up more space? 10. If you have a volume of 10 cm3 of lead and another volume of 10 cm3 of cotton, which one is heavier? Know th ...
... 8. Write the value of density for pure water Know what makes one substance more dense than a different substance 9. If you have 1 kg of lead and 1 kg of cotton, which takes up more space? 10. If you have a volume of 10 cm3 of lead and another volume of 10 cm3 of cotton, which one is heavier? Know th ...
Periodic Table and Trends Test Review KEY Describe the common
... • Most reactive metals that do not occur freely in nature • Slivery-white and softer than most other metals (to the point that they can be cut easily with a knife) • can explode if they are exposed to water 2. Alkaline earth metals (# of valence electrons = 2) • They are harder, denser, and stronger ...
... • Most reactive metals that do not occur freely in nature • Slivery-white and softer than most other metals (to the point that they can be cut easily with a knife) • can explode if they are exposed to water 2. Alkaline earth metals (# of valence electrons = 2) • They are harder, denser, and stronger ...
Chapter 12 The Periodic Table
... Found some inconsistencies - felt that the properties were more important than the mass, so switched order. Found some gaps Must be undiscovered elements Predicted their properties before they were found ...
... Found some inconsistencies - felt that the properties were more important than the mass, so switched order. Found some gaps Must be undiscovered elements Predicted their properties before they were found ...
CHMR_AYS_U4AlienPeriodicTableAnalysis_V01
... _____________ as you move from right to left and top to bottom on the Periodic Table. Reactivity ______________ as you move from left to right on the Periodic Table, except for the ________ ____. Atoms can gain or lose _____________. The # of electrons an atom will gain, lose or share is determined ...
... _____________ as you move from right to left and top to bottom on the Periodic Table. Reactivity ______________ as you move from left to right on the Periodic Table, except for the ________ ____. Atoms can gain or lose _____________. The # of electrons an atom will gain, lose or share is determined ...
class notes packet - Social Circle City Schools
... the ____________ ___________ non-metals. They are never found free in nature. Halogen atoms only need to gain 1 electron to fill outermost level. They react with ______________ __________ to form _______________. Noble gases are ____________________ gases that are extremely _________________. One im ...
... the ____________ ___________ non-metals. They are never found free in nature. Halogen atoms only need to gain 1 electron to fill outermost level. They react with ______________ __________ to form _______________. Noble gases are ____________________ gases that are extremely _________________. One im ...
Worksheet - The Rules for Electronic Configuration + More Practice
... 4. Consider the following six stable ions: N 3–, O 2–, F–, Na+, Mg 2+, and Al 3+. (a) How many electrons are present in each ion? Each possesses 10 electron. Ions and atoms with the same electronic configuration are said to be isoelectronic. (b) Write a single electron configuration representing ...
... 4. Consider the following six stable ions: N 3–, O 2–, F–, Na+, Mg 2+, and Al 3+. (a) How many electrons are present in each ion? Each possesses 10 electron. Ions and atoms with the same electronic configuration are said to be isoelectronic. (b) Write a single electron configuration representing ...
Document
... 2. Answer the questions below about this graph and what conclusions you would draw. Questions - Ionization Energy (potential) a. Define ionization energy. ...
... 2. Answer the questions below about this graph and what conclusions you would draw. Questions - Ionization Energy (potential) a. Define ionization energy. ...
Ch.6 Periodic Trends - MrsSavallisChemistry
... 4. Identify each property below as more characteristic of a mental or a nonmetal. a. a gas b. brittle c. malleable d. poor conductor of electric current e. shinny 5. In general, how are metalloids different from metals and nonmetals? 6. Elements in the same period have the same…? 7. Elements in the ...
... 4. Identify each property below as more characteristic of a mental or a nonmetal. a. a gas b. brittle c. malleable d. poor conductor of electric current e. shinny 5. In general, how are metalloids different from metals and nonmetals? 6. Elements in the same period have the same…? 7. Elements in the ...
Chapter 5 Reading Guide Please answer the following questions in
... At quick glance of the Mendeleev’s periodic table (bottom of page 127), what are some differences you spot from the modern periodic table (like the one on the wall or in your ...
... At quick glance of the Mendeleev’s periodic table (bottom of page 127), what are some differences you spot from the modern periodic table (like the one on the wall or in your ...
period
... Note that both hydrogen (H) and potassium (K) have just 1 electron in their outermost shell. Note also that these elements are both found in the 1st column of the periodic table. This is not a coincidence! ...
... Note that both hydrogen (H) and potassium (K) have just 1 electron in their outermost shell. Note also that these elements are both found in the 1st column of the periodic table. This is not a coincidence! ...
Periodic Law Power Point
... Hydrogen is a big exception to the block structure of the periodic table. For convenience hydrogen is usually placed on top of Group 1 although it is not considered an alkali metal. ...
... Hydrogen is a big exception to the block structure of the periodic table. For convenience hydrogen is usually placed on top of Group 1 although it is not considered an alkali metal. ...