element symbol
Exam: Atomic Structure and c) By writing the number as a subscript to
Elements the right of the element symbol
d) By writing the number as a superscript to
1. What is the most abundant element by the right of the element symbol
mass on Earth and in the human body?
6. What was J.J. Thomson’s discovery
a) Nitrogen related to atoms?
b) Carbon
c) Oxygen a) Atoms are indivisible
d) Hydrogen b) Atoms contain positively charged protons
c) Atoms contain negatively charged
2. How are the symbols of elements electrons
written? d) Electrons are larger than protons
a) Only one letter, always uppercase 7. Which of the following best describes
lowercase
d) Only lowercase letters
M
b) One letter or two letters, with the second
c) Only two letters, always uppercase
3. According to Dalton’s Atomic Theory,
atoms of an element are:
an electron?
a) A positively charged particle located in
the nucleus
b) A negatively charged particle that orbits
the nucleus
c) A neutral particle found in the nucleus
d) A positively charged particle found in the
AG
a) Indivisible in a chemical process nucleus
b) Divisible during chemical reactions
c) Made of protons and electrons only 8. What did Rutherford's experiment
d) Different for each sample of the element prove about the structure of the atom?
4. What defines a compound? a) The atom has no internal structure
b) The atom has a small, dense nucleus
a) A substance made of only one type of c) The atom is made only of electrons
atom d) Electrons are found in fixed orbits
b) A substance made of atoms from one
element 9. Where are protons and neutrons
c) A substance made of atoms from located in an atom?
different elements chemically bonded
d) A mixture of elements that are not a) In the electron cloud
bonded b) In the nucleus
c) In the atomic shell
5. How is the number of atoms of an d) Outside the nucleus
element indicated in a chemical formula?
10. What charge do protons have?
a) By placing the number above the element
symbol a) Negative
b) By placing the number to the left of the b) Neutral
, c) Positive and electricity and are brittle
d) Zero d) Nonmetals are good conductors of heat
and electricity
11. What are isotopes?
16. Where are electrons located in an
a) Atoms of the same element with the atom?
same number of protons and electrons
b) Atoms of the same element with different a) In the nucleus
numbers of neutrons b) In fixed orbits around the nucleus
c) Atoms of different elements that have the c) Outside the nucleus in the electron cloud
same number of neutrons d) Inside the protons
d) Atoms with different numbers of protons
17. What is the charge of a neutron?
12. Which of the following is a
characteristic of metals? a) Positive
b) Neutral
M
a) Poor conductors of heat and electricity
b) Brittle and dull in appearance
c) Lustrous, malleable, and good
conductors of heat and electricity
d) Often gas at room temperature
13. Which element is a good conductor
of electricity?
c) Negative
d) Zero
18. What was the key feature of
Thomson’s Plum Pudding Model?
a) The atom is mostly empty space
b) Electrons are embedded in a positively
AG
charged "pudding"
a) Oxygen c) The atom has a nucleus at its center
b) Gold d) Protons and electrons are evenly
c) Sulfur distributed
d) Neon
19. What is the mass number of an
14. What is the purpose of the Periodic atom?
Table of Elements?
a) The number of protons in the nucleus
a) To list elements in alphabetical order b) The number of neutrons in the nucleus
b) To predict the atomic mass of elements c) The total number of protons and neutrons
c) To predict the properties of elements in the atom
based on their position d) The number of electrons in the atom
d) To organize elements by their atomic
weight 20. What is an example of a metalloid?
15. How are nonmetals different from a) Gold
metals? b) Silicon
c) Oxygen
a) Nonmetals are generally malleable d) Nitrogen
b) Nonmetals are typically shiny
c) Nonmetals are poor conductors of heat
Exam: Atomic Structure and c) By writing the number as a subscript to
Elements the right of the element symbol
d) By writing the number as a superscript to
1. What is the most abundant element by the right of the element symbol
mass on Earth and in the human body?
6. What was J.J. Thomson’s discovery
a) Nitrogen related to atoms?
b) Carbon
c) Oxygen a) Atoms are indivisible
d) Hydrogen b) Atoms contain positively charged protons
c) Atoms contain negatively charged
2. How are the symbols of elements electrons
written? d) Electrons are larger than protons
a) Only one letter, always uppercase 7. Which of the following best describes
lowercase
d) Only lowercase letters
M
b) One letter or two letters, with the second
c) Only two letters, always uppercase
3. According to Dalton’s Atomic Theory,
atoms of an element are:
an electron?
a) A positively charged particle located in
the nucleus
b) A negatively charged particle that orbits
the nucleus
c) A neutral particle found in the nucleus
d) A positively charged particle found in the
AG
a) Indivisible in a chemical process nucleus
b) Divisible during chemical reactions
c) Made of protons and electrons only 8. What did Rutherford's experiment
d) Different for each sample of the element prove about the structure of the atom?
4. What defines a compound? a) The atom has no internal structure
b) The atom has a small, dense nucleus
a) A substance made of only one type of c) The atom is made only of electrons
atom d) Electrons are found in fixed orbits
b) A substance made of atoms from one
element 9. Where are protons and neutrons
c) A substance made of atoms from located in an atom?
different elements chemically bonded
d) A mixture of elements that are not a) In the electron cloud
bonded b) In the nucleus
c) In the atomic shell
5. How is the number of atoms of an d) Outside the nucleus
element indicated in a chemical formula?
10. What charge do protons have?
a) By placing the number above the element
symbol a) Negative
b) By placing the number to the left of the b) Neutral
, c) Positive and electricity and are brittle
d) Zero d) Nonmetals are good conductors of heat
and electricity
11. What are isotopes?
16. Where are electrons located in an
a) Atoms of the same element with the atom?
same number of protons and electrons
b) Atoms of the same element with different a) In the nucleus
numbers of neutrons b) In fixed orbits around the nucleus
c) Atoms of different elements that have the c) Outside the nucleus in the electron cloud
same number of neutrons d) Inside the protons
d) Atoms with different numbers of protons
17. What is the charge of a neutron?
12. Which of the following is a
characteristic of metals? a) Positive
b) Neutral
M
a) Poor conductors of heat and electricity
b) Brittle and dull in appearance
c) Lustrous, malleable, and good
conductors of heat and electricity
d) Often gas at room temperature
13. Which element is a good conductor
of electricity?
c) Negative
d) Zero
18. What was the key feature of
Thomson’s Plum Pudding Model?
a) The atom is mostly empty space
b) Electrons are embedded in a positively
AG
charged "pudding"
a) Oxygen c) The atom has a nucleus at its center
b) Gold d) Protons and electrons are evenly
c) Sulfur distributed
d) Neon
19. What is the mass number of an
14. What is the purpose of the Periodic atom?
Table of Elements?
a) The number of protons in the nucleus
a) To list elements in alphabetical order b) The number of neutrons in the nucleus
b) To predict the atomic mass of elements c) The total number of protons and neutrons
c) To predict the properties of elements in the atom
based on their position d) The number of electrons in the atom
d) To organize elements by their atomic
weight 20. What is an example of a metalloid?
15. How are nonmetals different from a) Gold
metals? b) Silicon
c) Oxygen
a) Nonmetals are generally malleable d) Nitrogen
b) Nonmetals are typically shiny
c) Nonmetals are poor conductors of heat
