Reading the Periodic table
... So what is the Periodic Table? ▪ Lets think of the word periodic… if something is periodic it occurs at regular or at least generally predictable intervals ▪ *Periodic Table of Elements – is a table of the elements, arranged by atomic number, that shows the patterns in their properties; called the ...
... So what is the Periodic Table? ▪ Lets think of the word periodic… if something is periodic it occurs at regular or at least generally predictable intervals ▪ *Periodic Table of Elements – is a table of the elements, arranged by atomic number, that shows the patterns in their properties; called the ...
Chapter 2 - Hope Charter School
... a. As electrons gain energy they jump to a higher level (quantize) b. As they release the energy they give off light and drop back down—this emission spectrum is unique for an element or compound c. Bohr’s model accounts for these specific energy levels 1) as we go higher up there is less energy dif ...
... a. As electrons gain energy they jump to a higher level (quantize) b. As they release the energy they give off light and drop back down—this emission spectrum is unique for an element or compound c. Bohr’s model accounts for these specific energy levels 1) as we go higher up there is less energy dif ...
Unit 3 - MaxStudy.org
... 2) All atoms of an element are alike in weight, and this weight is different from that of any other kind of atom. Not true today – isotopes: have different numbers of neutrons 3) Atoms cannot be subdivided, created, or destroyed. Not true today – can split atoms, they are not indivisible 4) Atom ...
... 2) All atoms of an element are alike in weight, and this weight is different from that of any other kind of atom. Not true today – isotopes: have different numbers of neutrons 3) Atoms cannot be subdivided, created, or destroyed. Not true today – can split atoms, they are not indivisible 4) Atom ...
Chapter 7, 8, and 9 Exam 2014 Name I. 50% of your grade will come
... Directions: Each set of lettered choices below refers to the numbered statements immediately following it. Select the one lettered choice that best fits each statement and then fill in the corresponding oval on the answer sheet. A choice may be used once, more than once, or not at all in each set. Q ...
... Directions: Each set of lettered choices below refers to the numbered statements immediately following it. Select the one lettered choice that best fits each statement and then fill in the corresponding oval on the answer sheet. A choice may be used once, more than once, or not at all in each set. Q ...
Document
... 1. The most penetrating type of radiation is the _________________. 2. The stability of an isotope nucleus depends on the ______________. 3. The three types of nuclear radiation in increasing order of penetrating power are: 4. Radioactive tracers are useful in ___________ _____________. 5. Both fusi ...
... 1. The most penetrating type of radiation is the _________________. 2. The stability of an isotope nucleus depends on the ______________. 3. The three types of nuclear radiation in increasing order of penetrating power are: 4. Radioactive tracers are useful in ___________ _____________. 5. Both fusi ...
atom - Images
... For fun, the Radium Girls painted their nails, teeth and faces with the deadly paint produced at the factory, sometimes to surprise their boyfriends when the lights went out. They mixed glue, water and radium powder, and then used camel hair brushes to apply the glowing paint onto dial numbers. The ...
... For fun, the Radium Girls painted their nails, teeth and faces with the deadly paint produced at the factory, sometimes to surprise their boyfriends when the lights went out. They mixed glue, water and radium powder, and then used camel hair brushes to apply the glowing paint onto dial numbers. The ...
Mid-Term OR Study Guide
... explain the difference in radii. D) Identify the trend for 1st ionization energy as you move up or down a group. That is, will it become easier or harder to remove a valence shell electron? Be able to explain this trend. ...
... explain the difference in radii. D) Identify the trend for 1st ionization energy as you move up or down a group. That is, will it become easier or harder to remove a valence shell electron? Be able to explain this trend. ...
Atomic Structure Notes
... Has no electrical charge (neutral). Found in the nucleus of an atom. More massive than electrons. Protons + Neutrons = Atomic Mass ...
... Has no electrical charge (neutral). Found in the nucleus of an atom. More massive than electrons. Protons + Neutrons = Atomic Mass ...
Chapter 2 Notes
... • Valence electrons are those in the outermost shell, or valence shell • The chemical behavior of an atom is mostly determined by the valence electrons • Elements with a full valence shell are chemically inert ...
... • Valence electrons are those in the outermost shell, or valence shell • The chemical behavior of an atom is mostly determined by the valence electrons • Elements with a full valence shell are chemically inert ...
Section 5.1 Review
... 1. _____ In the modern periodic table, elements are ordered (a) according to decreasing atomic mass. (b) according to Mendeleev’s original design. (c) according to increasing atomic number. (d) based on when they were discovered. 2. _____ Mendeleev noticed that certain similarities in the chemical p ...
... 1. _____ In the modern periodic table, elements are ordered (a) according to decreasing atomic mass. (b) according to Mendeleev’s original design. (c) according to increasing atomic number. (d) based on when they were discovered. 2. _____ Mendeleev noticed that certain similarities in the chemical p ...
AP Chemistry Name_____________________________________
... 16. He studied matter in cathode ray tubes. 17. His philosophical idea included the term “atomos”. 18. He added to the atomic theory the idea that atoms had positive and negative parts. ...
... 16. He studied matter in cathode ray tubes. 17. His philosophical idea included the term “atomos”. 18. He added to the atomic theory the idea that atoms had positive and negative parts. ...
The Periodic Table HL Page 1 of 3 G. Galvin Name: Periodic Table
... -derive the electronic configurations of ions of s- and p-block elements only -describe the arrangement of electrons in individual orbitals of p-block atoms ...
... -derive the electronic configurations of ions of s- and p-block elements only -describe the arrangement of electrons in individual orbitals of p-block atoms ...
File
... 13. What does the quantum mechanical model determine about electrons in atoms? 14. How do two sublevels of the same principal energy level differ from each other? 15. What are the three rules for writing the electron configuration of elements? 16. Explain why the actual electron configurations for s ...
... 13. What does the quantum mechanical model determine about electrons in atoms? 14. How do two sublevels of the same principal energy level differ from each other? 15. What are the three rules for writing the electron configuration of elements? 16. Explain why the actual electron configurations for s ...
Early Models of Atom
... Dalton: an English teacher who proposed that atoms are the smallest particles of matter. Model: 1. Each element is composed of indivisible particles called atoms 2. In an element, all of the atoms are identical. Atoms of different elements have different properties, such as mass. 3. In chemical reac ...
... Dalton: an English teacher who proposed that atoms are the smallest particles of matter. Model: 1. Each element is composed of indivisible particles called atoms 2. In an element, all of the atoms are identical. Atoms of different elements have different properties, such as mass. 3. In chemical reac ...
® Atoms ® Make up all matter ® Made up of smaller particles called
... mass Measured in atomic mass units (amu) ...
... mass Measured in atomic mass units (amu) ...
Unit 3 Note Outline
... Atoms that have the same number of Most elements have more than one isotope - Hydrogen has Hydrogen-1 has Hydrogen-2 has Hydrogen-3 has ...
... Atoms that have the same number of Most elements have more than one isotope - Hydrogen has Hydrogen-1 has Hydrogen-2 has Hydrogen-3 has ...
Modern Atomic Theory - hrsbstaff.ednet.ns.ca
... •All elements are composed of atoms. •All atoms of the same element are identical – in particular they have the same mass. •The atoms of one kind of element are different from the atoms of all other elements - in particular the atoms of one element have a different mass than those of other elements. ...
... •All elements are composed of atoms. •All atoms of the same element are identical – in particular they have the same mass. •The atoms of one kind of element are different from the atoms of all other elements - in particular the atoms of one element have a different mass than those of other elements. ...
atoms of different elements differ in size, mass
... elements differ in size, mass, and other properties Atoms cannot be subdivided, created, or destroyed Atoms of different elements combine in simple whole-number ratios to form chemical compounds In chemical reactions, atoms are combined, ...
... elements differ in size, mass, and other properties Atoms cannot be subdivided, created, or destroyed Atoms of different elements combine in simple whole-number ratios to form chemical compounds In chemical reactions, atoms are combined, ...
Practice Test #2 - smhs
... for Ag as 107.868 amu. Find the percent abundance of the lighter isotope of Ag. 107.868 = 106.9041 (X) + 108.9047 (1.000 - X) -1.0367 = -2.0006 X X = 0.51819 ...
... for Ag as 107.868 amu. Find the percent abundance of the lighter isotope of Ag. 107.868 = 106.9041 (X) + 108.9047 (1.000 - X) -1.0367 = -2.0006 X X = 0.51819 ...
Periodic Table of Elements
... • Elements become more stable as they gain more valence electrons. • As a result, atoms will gain, lose or share electrons to form compounds so that they have 8 valence electrons or a full shell. • This is called the Octet Rule. However there are many exceptions, but this is an easy way to predict c ...
... • Elements become more stable as they gain more valence electrons. • As a result, atoms will gain, lose or share electrons to form compounds so that they have 8 valence electrons or a full shell. • This is called the Octet Rule. However there are many exceptions, but this is an easy way to predict c ...
