Chemistry Quiz

Indicate whether the statement is true or false. All of the nonmetals on the periodic table are gases.

• True

• False

Elements in the same family tend to have the same number of valence electrons.

• True

• False

A sodium ion is more stable than a sodium atom.

• True

• False

Which region contains the alkaline earth metal family of elements?

• A

• B

• C

• D

Which region contains elements with two valence electrons?

• A

• B

• C

• D

Which block contains 5 orbitals?

• s

• p

• d

• f

In the diagram above, the “O” refers to the element’s ________.

• atomic mass.

• atomic number.

• atomic symbol.

• state of matter.

In which pair is the one on the left larger than the one on the right?

• Na, Rb

• S, Mg

• Br, Br-

• K, K+

Which scientist first arranged elements by atomic number?

• Mendeleev

• Lavoisier

• Newlands

• Moseley

Which block is element Y most likely found in?

• s

• p

• d

• f