Octubre 7

Question 1

Is one particular type of atom , and it cannot be broken down into a simpler substance by ordinary chemical means

Answer 1

Elements

Question 2

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

Answer 2

Compound

Question 3

Is an atom that 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 bonds

Question 5

Forms when atoms share a pair of electrons

Answer 5

Covalent bond

Question 6

Is two or more atoms held together by covalents bonds

Answer 6

Molecule

Question 7

Is the smallest unit of matter

Answer 7

Atom

Question 8

Is an attraction between a slightly positive hydrogen atom ,often oxygen or nitrogen

Answer 8

Hydrogen bond

Question 9

The attraction among molecules of a substance

Answer 9

Cohesion

Question 10

The attraction among molecules of different substances

Answer 10

Adhesion

Question 11

Is a mixture of substances that is the same throughout-it is a homogenous mixture

Answer 11

Solution

Question 12

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

Answer 12

Solvent

Question 13

Is a substance that dissolves in a solvent

Answer 13

Solute

Question 14

Is a compound that releases a proton-hydrogen ion- when its dissolve in water

Answer 14

Acid

Question 15

Are compounds that remove H+ ions from a solution

Answer 15

Bases

Question 16

A solution’s acidity , or H+ ion concentration , is measured by the

Answer 16

PH