Science For Victor

What is an element

• Essential part of something

• An atom

• A compound

• A mixture

Answer explanation

Do you hike?

What is an atom

• an element

• Smallest part of an element

• A compound

Which of those are not part of a compound?

• Combination of elements

• Combination of elements and compounds

• They travel at the speed of light

• They travel at the speed of sound

When naming chemicals with metals, which of the following is true?

• Add a suffix

• Add a suffix and inscript number

• Add an inscript number

• Do nothing

What is the boiling point of water

• 100^oC

• 300^OC

• 90^OC

• 400^OC

Which substances can be produced from crude oil?

• Metal alloys and glass

• Glass and concrete

• Limestone and steel

• Kerosene and polymers

State of Matter has the most compact particles?

• Liquid

• Gas

• Solid

• Plasma

if something can burn then it is-------------

• flammable

• cold

• easy to break

• turns black

What kind of change is a phase change?

• Physical - it's still the same substance
• chemical - it's made of chemicals 

What happens to carbon and hydrogen during combustion reactions?

• They are reduced

• They are oxidised

• They are cracked

• They are distilled