When an atom is changed into an ion the..................... is changed.
unit 1 lesson 1 part2 prep1

Quiz
•
Science
•
7th Grade
•
Medium
Mrs.mona younes
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
number of protons
number of neutrons
number of electrons
mass number
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A lithium atom ( Li ) changes into a lithium ion (Li+), which means that it .......
gains one proton.
gains one electron.
loses one proton.
loses one electron.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During the chemical reaction, a magnesium atom (12Mg) loses its outer electrons and changes into...............
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The only nonmetal that exists in a liquid state is............................
bromine
chlorine
hydrogen
nitrogen.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
All of nonmetals don’t conduct electricity, except.......................
bromine
aluminium
graphite
mercury
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a negative ion, the number of protons is ....................... the number of electrons.
less than
more than
equal to
no correct answer
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
All of these elements can form negative ions, except.........................
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