Element Symbols
Element Names
States of Matter
Categories
Charges and Valence Electrons
100

What is the symbol for Oxygen?

O

100
What is element 20?

Calcium

100

Which state of matter is Hydrogen?

Gas

100

Arsenic is a ____________. (Metal, Nonmetal or Metalloid)

Metalloid

100

All the elements in Group 1 have what for a charge?

+1

200

What is the symbol for Chlorine?

Cl
200

What element has Au for a symbol?

Gold

200

Name both elements that are liquids at room temperature.

Bromine and Mercury

200

Which element is a metalloid in Group 13?

Boron

200
All the group 15 elements have _____ valence electrons.

5

300

What is the symbol for Copper?

Cu

300

What has the atomic number 2?

Helium

300

Most of the metals on the Periodic Table are __________.

Solid

300

Which element in Group 16 is Diatomic?

Oxygen

300

Which group of elements have 7 valence electrons and a charge of -1?

Group 17

400

What is the symbol for Iron?

Fe

400

Hg is the symbol for which element?

Mercury

400

Which solid is in group 14, period 2?

Carbon

400

Which element is a Radioactive Gas?

Radon

400

What is the charge and number of valence electrons for Calcium?

+2 and 2 valence electrons

500

What is the symbol for Potassium?

K

500

What element is in group 2 period 3?

Magnesium

500

How many elements on the periodic table are gases at room temperature?

11

500

Which natural element (not synthetic) has the highest atomic number?

Uranium

500

What is the charge and number of valence electrons for Nitrogen?

-3 and 5 valence electrons