Structure - Bonding

Question 1

What’s a cation

Answer 1

An atom which loses an electron to form a positive ion

Question 2

What’s an anion?

Answer 2

An atom which gains an electron to form a negative ion

Question 3

What’s the formula for % mass of an element in a compound

Answer 3

Relative Atomic mass x amount of atoms in the element / formlula mass ( all the relative atomic masses added together ) x 100

Question 4

What’s the equation for the number of moles

Answer 4

N of moles = mass in g / atomic mass

Question 5

Equation for concentration ( g/dm3 )

Answer 5

Mass of solute ( g )/ volume of solvent ( dm3 )

Question 6

The concentration of H+ ions increase by a factor how much / pH

Answer 6

10 x

Question 7

Example of an acid

Answer 7

Hydrochloric acid

Sulfuric acid

Question 8

Acid + metal oxide = ?

Answer 8

Salt + water

Question 9

Acid + metal hydroxide =

Answer 9

Salt + water

Question 10

Acid + metal carbonate =

Answer 10

Salt + water + carbon dioxide

Question 11

Acid + metal =

Answer 11

salt + hydrogen

Question 12

Metal + water =

Answer 12

Metal hydroxide + hydrogen

Question 13

Reactivity series sentence

Answer 13

Please stop calling me a cute zebra I like her call me smart genius

Question 14

Reg

Answer 14

Reduction = electron gain

Question 15

Leo

Answer 15

Loss electron oxidation

Question 16

What’s the rule for at the positive elctrode

Answer 16

If a halide isn’t present it’s oxygen