Atomic Numbers and compounds

Atomic Numbers and compounds

Multiple Choice

Inside the nucleus of an atom are.....

• neutrons only

• Protons and neutrons

• Protons only

• Electrons and neutrons

Multiple Choice

Which part of the atoms is positively charged?

• Electron

• Proton

• Neutron

Multiple Choice

Which part of an atom has no charge?

• Electron

• Proton

• neutron

Multiple Choice

Which part of an atom has a negative charge?

• electron

• proton

• neutron

Multiple Choice

The atomic number of an element is......

• How many protons are in the nucleus

• How many neutrons are present

• The sum of the protons and neutron in an atom

Multiple Choice

To make the image bigger, hit the magnifying glass. look at the atom to your left, based on the number of protons, the element is.....

• oxygen

• carbon

• helium

• hydrogen

Multiple Choice

Carbon Dioxide's chemical signal is CO₂. How many Carbons are in this molecule?

• 1

• 2

• 3

• 4

Multiple Choice

Carbon Dioxides formula is CO₂. How many Oxygens are in this molecule?

• 1

• 2

• 3

• 4

Multiple Choice

Methane is a greenhouse gas. It's chemical formula is CH₄. How many hydrogens are in this molecule?

• 1

• 2

• 3

• 4

Multiple Choice

Animals use the process of respiration to make energy. The reaction is: SUGAR + OXYGEN → CARBON DIOXIDE + WATER + ATP (energy).

Which is one of the reactants?

• ATP

• Water

• Carbon Dioxide

• Sugar

Multiple Choice

Animals use the process of respiration to make energy. The reaction is: SUGAR + OXYGEN → CARBON DIOXIDE + WATER + ATP (energy).

Which is one of the products?

• ADP

• oxygen

• Carbon Dioxide

• Sugar