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- 1. Multiple Choice
In an element box, the number at top is the
atomic number
atomic name
atomic mass
atomic symbol
- 2. Multiple Choice
The number of neutrons in an atom can be found by
adding the number of neutrons and protons together.
adding the atomic mass and the atomic number.
subtratcting the atomic number from the atomic mass.
subtracting the atomic mass from the atomic number.
- 3. Multiple Choice
___________________ are positively charged particles located in the nucleus of an atom.
Electrons
Neutrons
Protons
Isotopes
- 4. Multiple Choice
Isotopes are atoms of the same element with different numbers of
electrons
neutrons
protons
nuclei
- 5. Multiple Choice
Elements on the Periodic Table are ordered according to their
element name
element symbol
number of atoms
atomic number
- 6. Multiple Choice
Rows in the Periodic Table are called
Periods
Groups/Families
Cousins
Metals
- 7. Multiple Choice
Column in the Periodic Table are called
Periods
Groups/Families
Cousins
Metals
- 8. Multiple Choice
The elements that touch the zigzag line on the Periodic Table are called
metals
nonmetals
metalloids
gasses
- 9. Multiple Choice
The nucleus of an atom is located in its
electron cloud
center
proton
backpack
- 10. Multiple Choice
What do atoms of the same periodic group have in common?
They have the same atomic number.
They have the same chemical symbols.
The have similar chemical properties.
They have the same atomic mass.
- 11. Multiple Choice
The smallest particle of an element that has the same chemical properties of the element is
a molecule of that element.
an atom of that element.
a proton of that element.
the nucleus of the element.
- 12. Multiple Choice
A scientist creates a hypothesis, but the data she collects fail to support that hypothesis. The scientist should then
change the data to support the hypothesis.
change the hypothesis to match the results.
forget the whole idea and walk away.
use the data to develop and test a new hypothesis.
- 13. Multiple Choice
Protons have a ____________ charge, neutrons have a ____________ charge, and electrons have a ____________ charge.
positive; negative, neutral
positive, neutral, negative
neutral, negative, positive
negative, neutral, positive
- 14. Multiple Choice
The history of the Atomic Theory involves many changes from its early form. Theories change because
people decide to no longer agree with them.
all theories must be changed after a certain time.
new evidence is found that allows the theory to be changed.
when scientists die, their theories are always changed.
- 15. Multiple Choice
The chemical symbol in this element box is
26
Fe
Iron
55.845
- 16. Multiple Choice
The variable that is changed in an experiment is the
independent variable.
the dependent variable.
the controlled variable.
the data variable
- 17. Multiple Choice
Models are used to study atoms because atoms are very
dangerous
sneaky
rare
small
- 18. Multiple Choice
The three kinds of elements are
metals, nonmetals, and liquid metals
metals, nonmetals, and metalloids
metals, solids, and liquids
metalloids, asteroids, and nonmetals
- 19. Multiple Choice
The Periodic Table of elements is arranged according to an element's
color
state of matter
place in the alphabet
properties
- 20. Multiple Choice
All matter is made of
electrons
protons
neutrons
atoms
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