Chemistry Prequiz

The smallest particle of an element.

• Element

• Molecule

• Atom

These are found in the nucleus of an atom and have a neutral charge.

• proton

• electron

• neutron

In an atom, the number of protons is equal to the number of ____________.

• energy levels

• neutrons

• neurons

• electrons

In a neutral atom, the number of protons and ____________ are always the same.

• electrons

• neutrons

An atom that gains or loses an electron becomes

• an isotope

• a new element

• an ion

• a molecule

How many different elements are in the C₆H₁₂O₆

• 3

• 6

• 12

• 24

What type of bond is formed when electrons are transferred (stolen, or given) from one atom to another?

• Ionic Bond
• Covalent Bond
• Metallic Bond
• Acidic Bond

What type of bond forms when atoms share electrons?

• Ionic Bond
• Covalent Bond
• Metallic Bond
• Gold Bond Medicated Powder

5. What happens when the sodium atom loses an electron?

• It become negatively charged

• It become positively charged

• none

9. What happens when an atom gains an electron?

• Neutral (no charge)

• Positive Charge

• Negative Charge