GR 10 CHEM NO1

Question 1

why do atoms bond to form compounds?

Answer 1

atoms are electrically attracted to eachother and they have force of attraction until the chemical bond is formed

Question 2

aquire stable octet by…

Answer 2

losing, gaining or sharing valence electrons

Question 3

ionic bonding occurs with

Answer 3

occurs between metals and non meatls

Question 4

and ionic bond is

Answer 4

force of atraction between oppositley charged ions

Question 5

ionic compound

Answer 5

a chemical compound composed of ions held together by electrostatic forces termed ionic bonding

Question 6

the name for K2O

Answer 6

potassim oxide

Question 7

name for SnCl2

Answer 7

Tin (II) Chloride

Question 8

polyatomic ions are

Answer 8

a group of atoms that tend to stay together and carry an overall charge together

Question 9

Ate (polyatomic ion)

Answer 9

ic acid

Question 10

ite (polyatomic ion)

Answer 10

ous acid

Question 11

Bianary acid

Answer 11

when H+1 is bonded to a monoaomic ion

usually very simple, 2 or 3 letters

Question 12

Oxyacid

Answer 12

when H1+ is binded to a polyatomic ion

the complicated looking acids

Question 13

how can u identify an acid??

Answer 13

see if there is an H (denoting hydrogen) in front of the molecular formula of the compound.

Question 14

molecular compunds are

Answer 14

made up of neutral molecules rather then oppositley charrged ones

result of chemical bonds between non metal atoms

non metal + non metal

they are sharerers

Question 15

WHAT ARE THE DIATOMIC ELEMENTS????!!!!> AND WHAT KINDA BOND AER HEY

Answer 15

H O F Br I N Cl AND MOLECULAR

Question 16

naming molecular compunds

Answer 16

use PREFIXES to indecate how many of each atom are present

1 mono
2 di
3 tri
4 tetra
5 penta

Question 17

NH3 is

Answer 17

ammonia

Question 18

h2o2 is

Answer 18

hydrogen peroxide

Question 19

ch4 is

Answer 19

methane

Question 20

03 is

Answer 20

trioxide

Question 21

h2s

Answer 21

hyrdrogen sulfide (LIDWALLY WHAT)

Question 22

word equations

hydrogen + oxygen ->

= water ->

Answer 22

a way to represent chemical change

reactants

products

Question 23

law of conserving mass (protecting from harm - mass)

Answer 23

that total mass of reactants before the chemical change = o the total mass of the products formed apres le chemical changer

Question 24

what are aoms doing in chemical change

Answer 24

rearraging, not destorying or creatied

Question 25

co2 name

Answer 25

carbon DIoxide

Question 26

dinitrogen tribromide

Answer 26

n2br3

Question 27

PBr3

Answer 27

phosphorus tribromide

Question 28

03

Answer 28

ozone or trioxide

Question 29

h2o2

Answer 29

hydrogen peroxide

Question 30

transition metals are

Answer 30

represented using roman numerals (charge of the metal)

middle of the periodic table, the big tummy of elements

positive ion or cation

Question 31

isoelectronic

Answer 31

one element having the same # of electrons with another