Chemistry Quiz Flashcards
0
Q
An __________ is an atom that has extra or missing neutrons
A
isotope
1
Q
An ________ is the smallest part of an element with all its properties
A
atom
2
Q
When scientist do radioactive dating they use isotopes to
A
find the age of fossils
3
Q
How would you symbolize Nitrogen below if it lost 2 electrons
A
N+2
4
Q
Substances that enter into chemical reaction are called
A
reactants
5
Q
The __________ is the subatomic particle with a positive charge.
A
proton
6
Q
An _______ bond occurs when two elements share electrons
A
covalent
