Amazing Atoms Revision

What is made up of protons, neutrons, and electrons?

• Molecule

• Atom

• Cell

• Compound

Does the nucleus of an atom have a positive, negative, or neutral charge?

• Positive

• Negative

• Neutral

How are elements represented?

• By a number only

• By a color only

• By both a name and a symbol

• By a shape only

What does the atomic number of an element represent?

• The total number of protons and neutrons

• The number of protons

• The number of electrons

• The number of neutrons

Which of the following elements is a non-metal?

• Sodium (Na)

• Oxygen (O)

• Iron (Fe)

• Copper (Cu)

Which of the following is a property of metals?

• Dull appearance

• Brittle

• Conduct electricity

• Low density

What is the meaning of "malleable"?

• Can be shaped without breaking

• Makes a ringing sound

• Conducts electricity

• Has a dull appearance

Which property is common to non-metals?

• High density

• Conduct heat

• Low melting point

• Shiny appearance

What does "sonorous" mean?

• Can be shaped without breaking

• Makes a ringing sound

• Conducts heat

• Has a high melting point

What is the rule for placing electrons into shells?

• 2 in the first shell, 8 in the second shell

• 8 in the first shell, 2 in the second shell

• 4 in the first shell, 4 in the second shell

• 6 in the first shell, 6 in the second shell