Periodic Table
Compounds
Chemical Reactions
Biology
Random
100

What is the symbol for Hydrogen?

H

100

The name of this compound is?

CO2

Carbon dioxide

100

The chemicals at the beginning of a reaction are called what?

Reactants.

100

What does DNA stand for?

Deoxyribonucleic acid

100

When is Tony's Birthday (they cannot answer)

21 June

200

The charge for oxygen is?

-2

200

The name of this compound is?

BaCl2

Barium Chloride

200

A precipitate is?

A solid that forms when 2 liquids/solutions are added together.

200

Identify the 4 bases in DNA

Adenine, Thymine, cytosine, guanine

200

How many planets are in the solar system?

8 - Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune 

300

What is the name given to elements in the second column of the periodic table?

Alkali earth metals

300

Mg2+  +  Cl-

Formula for magnesium chloride

MgCl2

300

Write the word equation for copper carbonate decomposing to form carbon dioxide and copper oxide.

Copper Carbonate -> carbon dioxide + copper oxide

300

Identify the building block of DNA

nucleotide

300

When is Didi's Birthday (they cannot answer)

20th September

400

What element has the symbol Si?

Silicon


400

Write the name for Mg3(PO4)2 

magnesium phosphate

400

2H2O2  -->  2H2O  +  O2

What type of reaction is this?

Decomposition

400

write the complemetary bases to the following sequence:

ACTTAG

TGAATC

400

How many eyes do bees have?

5


500

The number of protons, neutrons and electrons for fluorine

p-9

e-9

n-10

500

Write the name for this compound: CuSO4 

Copper sulfate

500

What type of reaction is this? - carbon and oxygen make carbon dioxide

combination or synthesis

500

Define Genome

the entire set of DNA in an organism, humans have 23 pairs of chromosomes

500

When is Reece's Birthday (they cannot answer)

9th November

600

How do you find the amount of neutrons in an atom?

Atomic mass - atomic number

600

Write the ion for hydroxide

OH-

600

Write down factors that affect rate of reaction?

surface area, temperature, catalyst, agitation, concentration

600

Explain the first step in DNA replication

Hydrogen bonds break.

Double helix strand “unzips” (by an enzyme called HELICASE)

Nitrogen bases are now exposed.

600

How tall is uluru? (nearest gets it)

348 m tall

700

What column do halogens belong in?

Group 17

700

Formula for lithium oxide

Li2O

700

if the surface area is larger is the reaction rate slow or fast?

fast

700

What makes chromosomes homologous?

The same length

Have the centromere (the point where the two chromosomes join) in the same position.

Have genes for characteristics at the same location along their length.

700

When is Helya's birthday (they cannot answer)

21st July

800

what group do these elements belong to:

calcium

sodium

silicon

calcium - alkaline earth metals 

sodium - alkali metals 

silicon - group 14

800

true or false:

It is illegal to have only one guinea pig in Switzerland.

True, they get lonely :(

800

write the chemical equation for magnesium reacting with copper sulfate

Mg(s) + CuSO4(aq) → MgSO4(aq) + Cu(s)

800

Name 3 symptoms of having Klinefelter syndrome

lower IQ, tall stature, poor muscle tone, Small testes/infertility, male breasts, reduced secondary sexual characteristics

800

When is Miss Smiths Birthday?

20th July