Chapter 4 Matter

Question 1

Anything that has mass and takes up space

Answer 1

Matter

Question 2

Element

Answer 2

A subatomic particle that cannot be broken down into simpler substances by chemical means; all atoms of an element have the same atomic number

Question 3

The smallest unit of an element that maintains the chemical properties of that element

Answer 3

Atom

Question 4

Proton

Answer 4

A subatomic particle that has a positive charge and that is located in the nucleus of an atom; the number of protons of the nucleus is the atomic number which determines the identity of an element

Question 5

Electron

Answer 5

A subatomic particle that has a negative charge

Question 6

Neutron

Answer 6

A subatomic particle that has no charge and that is located in the nucleus of an atom

Question 7

Isotope

Answer 7

An atom that has the same number of protons as the other atoms of the same element do but that has different numbers of neutrons

Question 8

Compound

Answer 8

A substance made up of atoms of two or more different elements joined by chemical bonds

Question 9

Molecule

Answer 9

A group of atoms that are held together by chemical forces; a molecule is the smallest unit of matter that can exit by itself and retain all of a substances chemical properties

Question 10

Ion

Answer 10

An atom or molecule that has gained or lost one or more electrons and has a positive or negative change

Question 11

Ionic bond

Answer 11

The attractive force between oppositely charged ions, which form when electrons are transferred from one atom or molecule to another

Question 12

Covalent bond

Answer 12

A bond formed when atoms share one or more pairs of electrons

Question 13

Mixture

Answer 13

A combo of 2 or more substances that are not chemically combined

Question 14

Solution

Answer 14

A homogenous mixture of two or more substances that are uniformly dispersed throughout the mixture