Chemistry 1
Chemistry 2
Chemistry 3
General
Olympics
100

what are the three types of nuclear decay

Alpha beta gamma

100

True or false. Atoms cannot be created or destroyed

True

100

What is hydrogen's atomic number 

1

100

Should you drink and drive?

No

100

Who jumped of the top of Paris stadium during the closing ceremony?

Tom Cruise

200

What is a chemical reaction?

when two or more substances react with each other to produce atleast one new substance

200

Name two factor that affects the rate of reactions

temp, surface area, concentration, agitation, catalyst , pressure


200

When are atoms the most stable?

When they have a full outer shell of electrons

200

Which is the largest state by population in Australia?

NSW

200

By how much seconds, did Noah Lyles win by?

5000 of a second (1/5000)

300

whats the chemical symbol for Gold 

Au

300

WHat type of nuclear reaction occurs inside a reactor?

Nuclear FIssion

300

Atoms obtain a full outer shell by bonding. What are the three types of bonding.

Metallic, Ionic, Covalent

300

According to Forbes, who is the current richest person in the world

ElonMusk

300

How many gold medals did Australia win?

18

400

List all the evidences of a chemical reaction

temp change, gas form, precipitation formed, colour change, smell, light, sound, heat

400

What does nuclear radiation mean?

Nuclear radiation refers to the particles and photons emitted during reactions(fission, fusion nuclear decay) that involve the nucleus of an atom.

400

The following descirbes which bonding:
Metal atoms donate electrons to non-metal atoms fomring charged ions

Ionic Bonding

400

Who's the currents NT chief minister?

Lia Finnochiaro

400

In which sport was there an 11 year old athlete competing in?

Skateboarding

500

symbols are used to indicate the state of matter in a chemical equation. What symbol is used to indicate something is dissolved in water?

(aq)

500

Nuclear decay is measured in half life. What does this mean?

  • The half-life of a radioisotope is the time it takes for half of the sample to decay.
500

What is a covalent bond 

Chemical bond formed by the sharing of one or more electron pairs between two atoms

500

in which year did the nuclear reacotr in Chernobyl explode

1986

500

Who dunked on Lebron James  in the USA vs France Gold medal match?

Guerschon Yabusele

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