Physics/Chem vocab

What is the correct definition for atom?

• Smallest part of a substance that cannot be broken down chemically.

• A negative particle that moves around the nucleus

• A positive particle that moves around the nucleus

• A neutral particle that moves around the nucleus

Tags

NGSS.MS-PS1-1

What is the correct definition for atomic mass?

• The total weight of the protons and neutrons.

• The mass of a single atom

• The total of volume of the atom

• None of the above

Tags

NGSS.MS-PS1-5

What is the correct definition of atomic number?

• The number of neutrons in a proton.

• The number of electrons in an atom.

• The number of protons in a nucleus.

• Number of a atoms in a element

What is the definition of axis?

• The speed at which light travels.

• An invisible line around which an object rotates, or spins?

• A horizontal/vertical line

• Earths gravitational pull

What is the correct definition for balanced forced?

• A mass sliding off a slope

• Two masses that are not equal in magnitude and are in the same direction.

• Two masses that are equal in magnitude but, opposite in direction.

• A mass floating in the air

What is the definition of chemical formula?

• A formula that shows the elements in a compound and relative properties.

• A formula that is the instructions for creating life

• A formula for creating money out of thin air.

• A formula for destroying mass

What is the definition of coefficient?

• A algebraic variable

• An exponent

• A number placed in front of a chemical symbol or formula which shows how many atoms or molecules of the substance involved in the reaction.

• The small number in chemical equation

What is the definition of compound?

• The atomic mass of an atom.

• A substance made up of two or more different elements that have been chemically joined.

• Fifth teen electrons conjoined tougher.

• Two sentences put tougher

What is the definition of electron?

• Subatomic particle that is found in all atoms.

• Positively charged atoms

• The total mass of the atom.

• A neutral charged atom

What is the definition of chemical element?

• Chemical substance whose atoms have same number of neutrons

• Chemical substance whose atoms have same number of electrons

• A chemical substance whoes atoms all have the same number of protons

• None of the above