B2 Science 9A Unit 1 Review

Atomic mass is equal to:

These are stable elements that light up different colors when excited with energy.

What is the correct symbol for antimony?

How many neutrons does an atom of sodium normally contain? (use a periodic table)

Which element is the lightest halogen?

According to the Bohr model of the atom, electrons orbit the nucleus in different:

(T/F) Atomic size increases from left to right on the periodic table.

What's the term used for an ion that contains more than one atom?

The following image is a Bohr model of a ___________ atom.

What is the correct name of the element Fe?

What is the correct symbol for nickel?

Ions do not contain the same number of protons and ___________.

Who was the first to propose the theory of the atom?

Atoms become ions when they lose or gain:

What do the families on the periodic table share?

(T/F) Ernest Rutherford conducted the famous "Silver Foil Experiment."

What is the correct name of the element with the symbol "Pb"?

This group (family) of elements will always form a +2 charge.