Practice 3

What two parts of an atom make up the nucleus of the atom?

• Electrons and Protons

• Neutrons and Protons

• Neutrons and Electrons

Which of these is the smallest particle to retain the properties of an element?

• an electron

• a molecule

• a proton

• an atom

What information is in this square of the periodic table, from top to bottom.

• chemical symbol, chemical name, proton number, average atomic mass

• chemical name, atomic number, chemical symbol, average atomic mass

• atomic number, chemical symbol, average atomic mass, chemical name

• average atomic mass, chemical symbol, chemical name, atomic number

What is "a" in the picture?

• Proton

• Electron

• Neutron

Tags

NGSS.MS-PS1-1

What is "b" in the picture?

• Proton

• Electron

• Neutron

Tags

NGSS.MS-PS1-1

What is "c" in the picture?

• Proton

• Electron

• Neutron

Tags

NGSS.MS-PS1-1

Which subatomic particle has a negative charge?

• proton

• neutron

• electron

Which subatomic particle has a positive charge?

• proton

• neutron

• electron

Which subatomic particle has a neutral or no charge?

• proton

• neutron

• electron

Elements are made up of

• one or more of the SAME KIND of atom.

• two or more DIFFERENT KINDS of atoms.

• mixtures of two or more things.

• compounds.

Tags

NGSS.MS-PS1-1