Last minute cards

Question 1

What type of oxides produce alkalis when in solution?

Answer 1

Soluble metal oxides

Question 2

What type of oxides produce acids in solution?

Answer 2

Soluble non-metal oxides

Question 3

What is the word equation for making a metal hydroxide?

Answer 3

metal oxide + water –> metal hydroxide (alkali)

Question 4

What metal oxides are soluble in water?

Answer 4

Metal oxides from groups 1 and 2

Question 5

What is the formula for hydrochloric acid and what type of salt does it make?

Answer 5

HCL(aq) - chloride

Question 6

What is the formula for nitric acid and what type of salt does it make ?

Answer 6

HNO3(aq) - nitrate

Question 7

What is the formula for sulphuric acid and what salt does it make?

Answer 7

H2SO4(aq) - sulfate

Question 8

What is the formula for phosphoric acid and what salt does it make?

Answer 8

H3PO4(aq) - phosphate

Question 9

What is the equation for pure water?

Answer 9

H2O (l) H+(aq) + OH-(aq)

Question 10

Where does a salts name come from?

Answer 10

1st part - metal

2nd part - acid

Question 11

What is the word equation for the reaction or a metal and an acid?

Answer 11

reactive metal+acid–>salt+hydrogen

Question 12

What is the word equation for the reaction of a metal carbonate and acid?

Answer 12

Metal carbonate+acid–>salt+water+carbon dioxide

Question 13

What is the word equation for the reaction of a metal oxide and an acid?

Answer 13

Metal oxide+acid–>salt+water

Question 14

What is the word equation for the reaction of a metal hydroxide and an acid?

Answer 14

Metal hydroxide+acid–>salt+water

Question 15

Name 4 metals that do not react with dilute acid

Answer 15

Cu
Ag
Au
Pt

Question 16

What is the 3 natural forms of calcium carbonate?

Answer 16

chalk
limestone
marble

Question 17

Why is an indicator used in a titration?

Answer 17

So that the end point is visible

Question 18

What does concordant results mean?

Answer 18

Within 0.2cm3 of each other

Question 19

What is an element?

Answer 19

A substance made up of one type of atom

Question 20

What is an atom?

Answer 20

A molecule where the proton and electron numbers are equal and has a neutral overall charge

Question 21

What is an ion?

Answer 21

A molecule where proton and electron numbers are unequal and they have an overall positive or negative charge

Question 22

What is a covalent bond?

Answer 22

A bond between metal and non-metal electrons that share electrons. It is the attraction that the 2 positive nuclei have for a shared pair of electrons

Question 23

How many molecules does a linear shape involve?

Answer 23

2

Question 24

How many molecules does an angular shape involve?

Answer 24

3

Question 25

How many molecules does a trigonal pyramidal shape involve?

Answer 25

4

Question 26

How many molecules does a tetrahedral shape involve?

Answer 26

5

Question 27

What is a molecule?

Answer 27

A small group of atoms covalently bonded together

Question 28

What holds electrons together in a covalent bond?

Answer 28

The attraction between the positive nuclei and the negative shared electrons

Question 29

What are the 7 diatomic molecules?

Answer 29

``` hydrogen chlorine bromine fluorine idoine oxygen nitrogen ```

Question 30

What is an ionic bond?

Answer 30

A bond between non-metal and metal atoms that involves atoms gaining or losing electrons and becoming positively or negatively charged and are therefore the ions are attracted to each other

Question 31

What is a compound?

Answer 31

Two or more different atoms chemically bonded together

Question 32

What is a metallic bond?

Answer 32

A bond between metal atoms. It is the attraction between positive ions and a sea of delocalised electrons

Question 33

State why an atom is neutral

Answer 33

There are equal numbers of positive protons and negative electrons

Question 34

What is an isotope?

Answer 34

An atom with the same atomic number as another atom but a different mass number