Which of the following is NOT an element?

• Oxygen

• Gold

• Water

• Carbon

What characteristic do all elements share?

• They can be broken down by chemical means

• They have distinct chemical and physical properties

• They are mixtures of different substances

• They are always gases

What is an atom?

• The largest particle of an element

• A molecule of a compound

• The smallest particle of an element that still has the properties of that element

• A mixture of different elements

Tags

NGSS.MS-PS1-1

What is the part of the atom that is located in the middle?

• Electron Cloud

• Proton

• Nucleus

• Neutron

What is the nucleus of an atom described as?

• The large part on the outside

• The really tiny part in the middle

• The visible part of the atom

• The part that contains electrons

Tags

NGSS.MS-PS1-1

Which of the following is NOT a part of an atom?

• Electron Cloud

• Nucleus

• Molecule

• Proton

Where are electrons located in an atom?

• In the nucleus

• In the electron cloud

• In the proton field

• In the neutron zone

What charge do electrons carry?

• Positive

• Negative

• Neutral

• Double positive

Tags

NGSS.MS-PS2-3

Where are protons found in an atom?

• In the electron cloud

• In the nucleus

• In the outer shell

• In the atomic orbitals

What does the number of protons in an atom determine?

• Atomic mass

• Atomic number

• Electron configuration

• Neutron number