Chapter 2.1

Question 0

Nucleus

Answer 0

Atom - centre of atom that contains protons and neutrons;

Cell - structure containing cellular genetic information (DNA)

Question 1

Atom

Answer 1

Basic unit of matter

Question 2

Electron

Answer 2

Negatively charged particle located in space surrounding nucleus

Question 3

Element

Answer 3

Pure substance consisting entirely of one type of atom

Question 4

Isotope

Answer 4

One of several forms of an element containing an unnatural number of neutrons

Question 5

Compound

Answer 5

Substance formed by chemical combination of multiple elements in definite proportions

Question 6

Ionic bond

Answer 6

Chemical bond formed when electron(s) are transferred between atoms

Question 7

Ion

Answer 7

Atom with positive or negative charge (altered number of electrons)

Question 8

Covalent bond

Answer 8

Chemical bond formed when electrons are shared between atoms

Question 9

Molecule

Answer 9

Smallest unit of compounds displaying all properties of compound

Question 10

Van Der Waals Force

Answer 10

Slight attraction between oppositely charged nearby molecules