Elements and the Period Table
Authored by Scott Beiter
Chemistry
6th - 9th Grade
NGSS covered
Used 52+ times
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19 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the number of protons equal to?
The atomic number
mass number
atomic mass
isotope
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The average mass of all the isotopes of an element is defined as what?
atomic number
atomic mass
proton number
mass number
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an ion?
an atom with a positive or negative charge
an isotope
an atom with a different number of neutrons than others
change in number of protons on an atom
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When an atom gains or loses an electron it becomes an _____.
isotope
oxygen
ion
neutron
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a noble gas?
oxygen
iron
hydrogen
neon
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which element is an alkali metal?
lithium
cobalt
mercury
calcium
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which element is an alkaline earth metal?
lithium
vanadium
carbon
calcium
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