SNC2D Chem

A non-metal

• Lithium

• Sulfur

• Sodium

• Silver

True or False: Most elements are metals

• True

• False

An atom that has lost an electron:

• Neutron

• Positive Ion

• Negative Ion

• Proton

The only liquid element at room temperature is:

• Hydrogen

• Lithium

• Carbon

• Mercury

When electrons spend some time with one atom and some time with another atom, this is called a:

• ionic bond

• covalent bond

• metal

• polyvalent ion

Electron donor:

• Metal

• Non-metal

• Gas

• Liquid

Electron Acceptor

• Calcium

• Silver

• Sodium

• Oxygen

Hydrogen is in family 1 because:

• it is a reactive metal

• It has 1 valence electron

• It has 1 proton

• It has one neutron

Ca + H2O --> Ca(OH)2 + H2

The reactants are:

• calcium and water

• calcium and oxygen

• water and hydrogen

• hydrogen and oxygen

The electrons in the outermost shell are called:

• metals

• ions

• valence electrons

• neutrons