chemical bonding

Question 1

molecule

Answer 1

two or more joined atoms of the same or different elements.
ex: oxygen, methane, water

Question 2

ionic bond

Answer 2

when an atom loses or gains electrons, it becomes electrically charged

Question 3

what are the 3 bonds?

Answer 3

covalent, ionic, hydrogen

Question 4

which out of the 3 bonds is the strongest?

Answer 4

covalent bond

Question 5

which is the weakest out of the 3 bonds?

Answer 5

hydrogen bond

Question 6

charged atoms are called…

Answer 6

ions

Question 7

positive charged ions are called…

Answer 7

cations

Question 8

negative charged ions are called…

Answer 8

anions

Question 9

what is the name of the anion PO4^3-

Answer 9

phosphate ion

Question 10

what is the name of the cation Na+

Answer 10

sodium ion

Question 11

what is the name of the cation K+

Answer 11

potassium ion

Question 12

what is the name of the cation Ca2+

Answer 12

calcium ion

Question 13

what is the name of the cation H+

Answer 13

hydrogen ion (know as proton)

Question 14

what is the name of the cation Mg2+

Answer 14

magnesium ion (two positives)

Question 15

what is the name of the anion Cl-

Answer 15

chloride ion

Question 16

what is the name of the anion HCO3-

Answer 16

bicarbonate ion

Question 17

what is the name of the anion SO4^2-

Answer 17

sulfate ion

Question 18

single covalent bond

Answer 18

H - H
sharing one of their electrons

Question 19

double convolent bond

Answer 19

_____
H _____ H

sharing two of their electrons

Question 20

triple covalent bond

Answer 20

_____
N _____ N
_____

sharing 3 of their electrons

Question 21

CO

Answer 21

Carbon monoxide

Question 22

HCLl

Answer 22

hydrogen chloride

Question 23

hydrogen bond

Question 24

how many electrons in the first electron shell?

Answer 24

2

Question 25

how many electrons in the second electron shell?

Answer 25

up to 8

Question 26

how many electrons in the third electron shell?

Answer 26

up to 8

Question 27

helium, neon, argon have open or no vacancy?

Answer 27

NO VACCANCY

Question 28

hydrogen, lithium, sodium lose or gain 1 electron

Answer 28

lose 1 electron

Question 29

beryllium and magnesium lose or gain 2 electrons

Answer 29

lose 2 electrons

Question 30

how do covalent bonds work on the periodic table?

Answer 30

starting from the 14 row (carbon) it has 4 covalent bonds, one over to the right has 3, one and so on.