chemistry Flashcards
1
Q
the electron cloud occupies a very _____ space
A
large
2
Q
you can find the number of protons in an element by using the _____
A
periodic table
3
Q
what properties are different between different isotopes
A
mass, mass number, and number of neutrons
4
Q
isotope
A
same element different neutron /mass
5
Q
a neutral atom becomes a cation
A
losing one or more electrons
6
Q
a neutral atom becomes a cation
A
losing electrons
7
Q
neutral atom becomes an anion
A
gaining electrons
8
Q
valence electrons
A
Electrons farthest from the nucleus
9
Q
name of horizontal rows on the periodic table
A
The periods
10
Q
When an atom loses a valence electron, it becomes a _____________ ion
A
positive
