N5 Chemistry End of Year | Baamboozle - Baamboozle

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What is an isotope?

Atoms with the same atomic number but different mass number.

Water is neutral. Explain what this mean in terms of its ions?

They have the same concentration of H+ ions and OH- ions.

What is the chemical formula of dinitrogen pentaoxide?

N2O5

What type of bonding exists in calcium sulfide?

Ionic

State the word equation for a neutralisation reaction.

Acid + base --> Salt + water

Name two pieces of apparatus in a titration experiment.

Any from burette, pipette, conical flask, white tile, clamp stand, etc.

What is the chemical formula of magnesium oxide?

MgO

State the atomic number AND mass number of this atom.

Atomic number = 6; mass number = 14

What type of bonding is found between positive metal ions and negative non-metal ions?

Ionic

What type of bonding exists in carbon hydride molecules?

Covalent (non-metals)

What shape is this covalent molecule?

Trigonal pyramidal

In terms of electrons, explain what happens when an atom/molecule goes through oxidation.

They lose electrons.

How many neutrons in this atom?

1

What is a covalent bond?

A shared pair of electrons.

How many electrons does this ion have?

10

Which type of structure and bonding can conduct when liquid, but NOT as a solid?

Ionic

Give an example of a covalent network structure.

Carbon (diamond or graphite) or silicon / silicon dioxide

What is the ionic formula of sodium oxide?

(Na+)2 O2-

Vinegar is a diluted solution of which acid?

Ethanoic acid

What type of reaction releases heat energy to its surroundings?

Exothermic

When an alkene turns into an alkane, what type of reaction is this?

Addition / hydrogenation

What functional group is present in all alcohols?

Hydroxyl (-OH) group

Give three examples of a base.

Metal oxide, metal hydroxide, metal carbonate, ammonia

What is the chemical formula of calcium nitrate?

Ca(NO3)2

State the three parts of an atom and their respective charges.

Protons (positive), neutrons (neutral), and electrons (negative)

All metals conduct electricity due to their ____________ electrons.

Delocalised.

Why don't helium, neon and argon make bonds with other atoms?

They already have a stable outer electron arrangement.

What is the chemical formula of sodium nitrate?

NaNO3

What functional group is featured in all alkenes?

A carbon-carbon double bond

What product is made during the Ostwald process?

Nitric acid

Name 3 diatomic elements

Any of the following: H2, N2, O2, F2, Cl2, Br2, I2

Explain how the chlorine atoms are bonded to the central nitrogen atom in this molecule.

They are covalently bonded / they share their outer electrons.

What name is given to Group 8/0 of the Periodic Table?

Noble gases

What name is given to Group 1 of the Periodic Table?

Alkali metals

How many neutrons does this atom have?

18

Covalent molecules tend to have HIGH or LOW melting and boiling points?

Low.

What is the chemical formula of potassium carbonate?

K2CO3

A student was doing an experiment involving marble chips and hydrochloric acid. In the first 60 seconds of a reaction, 30 cm3 gas was produced. Calculate the rate of the reaction during this time, in cm3/s.

0.5 cm3/s

What is the chemical formula of aluminium oxide?

Al2O3

Define "concordant".

When two titre volumes are within 0.2cm3 of each other.

How many electrons in total ion this ion?

18

What do non-metals tend to do with their electrons to become "stable"?

They gain electrons.

What is the chemical formula of sodium sulfate?

Na2SO4

What shape is this covalent molecule?

Tetrahedral

What is the electron arrangement of a calcium atom?

2,8,8,2

When making a standard solution, how do I know when I have the exact volume of water stated?

When the bottom of the meniscus is on the graduation line.

Which type of radiation is a high energy electron?

Beta