Biology 2.1-2.2 Vocab

Question 0

Is one of the particular type of atom and cannot be broken down into simpler substances by ordinary chemical means

Answer 0

Element

Question 1

The smallest basic unit of matter

Answer 1

Atom

Question 2

A substance made of atoms of different elements bonded together in a certain ratio

Answer 2

compound

Question 3

And atom that it has gained or lost one or more electrons

Answer 3

Ion

Question 4

Forms through the electrical force between oppositely charged ions

Answer 4

Ionic bond

Question 5

Forms when atoms share a pair of electrons

Answer 5

Covalent bond

Question 6

Two or more atoms held together by covalent bonds

Answer 6

Molecule

Question 7

An attraction between a slightly positive hydrogen atom and slightly negative atom often oxygen or nitrogen

Answer 7

Hydrogen bond

Question 8

The attraction among molecules of a substance

Answer 8

Cohesion

Question 9

That attraction among molecules of different substances

Answer 9

Adhesion

Question 10

A mixture of substances that is the same throughout it is a homogeneous mixture

Answer 10

Solution

Question 11

The substance that is present in the greater amount and that dissolves another substance

Answer 11

Solvent

Question 12

A substance that dissolves in a Solvent

Answer 12

Solute

Question 13

A compound that releases a proton a hydrogen ion (H+) when it dissolves in water

Answer 13

acid

Question 14

Compounds that remove (H+) ions from a solution

Answer 14

Bases

Question 15

Measurement of acidity related to free hydrogen ion concentration in solution

Answer 15

pH