Atoms, elements, compounds, mixtures, and periodic table

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

• an electron

• a molecule

• a proton

• an atom

What is the mass number of an atom that has 4 protons, 4 electrons, and 5 neutrons?

• 4

• 8

• 9

• 13

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

• Electron and Protons

• Neutron and Protons

• Proton and Electrons

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

What is "b" in the picture?

• Proton

• Electron

• Neutron

What is "c" in the picture?

• Proton

• Electron

• Neutron

Where is the element's atomic NUMBER located?

• the top

• the bottom

• the top + the bottom

• the number of protons + the number of neutrons

Tags

NGSS.MS-PS1-1

Where is the element's atomic MASS located?

• at the top

• at the bottom

• the top number + the bottom number

• the number of protons + the number of neutrons

What are the 3 subatomic particles of an atom?

• carbon atom, proton, electron

• quarks, neutrons, protons

• nucleus, protons, electrons

• protons, neutrons, electrons

Tags

NGSS.MS-PS1-1