Atoms and elements of the periodic table

Atomic number of oxygen

Part of the atom that has overall positive charge

Number of outer valence electrons in one carbon atom

Part of the atom that contains most of the weight of an atom

As you go from the left to the right of the periodic table atoms get:

What happens to water molecules during the freezing process?

Subatomic particle with neutral charge

In general, as you go left to right or top to bottom on the periodic table, atomic mass

Which is the best example of a pure substance?

How many electrons are in one atom of oxygen

Subatomic particle with positive charge

Ice cream is put into a hot oven. What will likely happen in the ice as the ice is heated?

Number of neutrons in 1 carbon atom

Number of outer valence electrons in one atom of oxygen

Which pair of elements has the most similar properties?

Number of outer valence electrons in one carbon atom

As you go from the top of the periodic table to the bottom, atoms get

Part of the atom that has overall negative charge

Which statement best explains how periods on the periodic table are organized?

Subatomic particle with negative charge

Atomic mass of nitrogen is