Chemistry - P,E,N, ion, isotope

How many ELECTRONS does copper have if it has the following charge: Cu²⁺ ?

• 64

• 35

• 27

• 29

How many ELECTRONS will iron have if it has the following charge: Fe³⁺ ?

How many PROTONS does nitrogen have if it has the following charge: N^3- ?

• 14

• 7

• 10

• 4

What is the mass number of the following atom?

An atom that has gained or lost electrons in an attempt to become stable/bond with another atom.

• Normal/Neutral Atom

• Ion

• Isotope

If an atom has a charge of +3 and an atomic number of 5 it should have _______ electrons.

• 1

• 2

• 3

• 4

Atoms are neutral because the number of

• protons equals the number of neutrons

• protons equals the numbers of electrons

• neutrons is greater than the number of protons

• neutrons is greater than the number of electrons

The nucleus is held together by the ___________________________force.

• The Strong Nuclear Force

• The Weak Nuclear Force

• Electromagnetism

• Gravity

What charge does an atom have when it GAINS electrons?

• Positive

• Negative

• Neutral

What is a representation of an ion?

• Li

• Na-22

• O^-2