Periodic table, ions and reactions

What is an atomic number?

• The number of protons in an atom

• The number of protons plus neutrons in an atom

• The order the atom was discovered in

• The mass of the atom

For the first twenty elements of the periodic table, the electron shells have what configuration?

• 2, 4, 6, 8

• 2, 4, 8, 16

• 2, 8, 8, 2

• 2, 2, 8, 8

When two atoms form an ionic bond, they:

• Share one or more electrons

• One or more electrons are transferred from one atom to the other

• Cannot be separated

• Form a lattice

A sodium ion is

• Positive

• Negative

• Neutral

• Lonely

What is the formula for Calcium Chloride?

• CaCl

• Ca2Cl

• CaCl2

• CC2

An acid plus a base react to form:

• A salt plus water plus carbon dioxide

• A salt plus carbon monoxide

• A salt plus carbon dioxide

• A salt plus water

What is the fifteenth element?

• Phosphorus

• Potassium

• Calcium

• Surprise!

On a periodic table, the periods go:

• Vertically

• Horizontally

• Diagonally

• After the metals

How does Quick-Eze help ease the pain when you have heartburn or acid indigestion?

• It stops your stomach from producing acid

• It attaches to the pain receptors in the stomach so your brain does not register the pain

• The calcium carbonate in the tablet neutralises stomach acid

• The calcium carbonate interacts with insulin to form a soothing coating in the stomach

What are the reactants in the following equation?

Phosphoric Acid + Aluminium -> Aluminium Phosphate + Hydrogen gas

• Phosphoric acid and Aluminium Phosphate

• Aluminium Phosphate and Hydrogen gas

• Phosphoric acid and Aluminium

• Aluminium and Hydrogen gas