science

how many elements can a compound have?

• 0
• 1 or 5
• 2 and more
• none of the above

what is a molecule? 

• 2 or more atoms combined chemically 
• 2 or more elements combined chemically
• atoms 
• none of these

what is the equation for simple suger?

• C6H12O6
• H2O
• O2
• CO2

what is the letter behind H?

• coefficients 
• subscript 
• two
• product

what are the 2 types of mixtures

•  molecules and compounds
• chemical and physical
• homogeneous and heterogeneous
• none of the above

what type of mixture is this

• heterogeneous
• mixture
• compound 
• homogeneous

what is matter?

• everything
• weight
• any thing that is big
• anything that takes up space and has mass

what is it called when a substance changes from a solid to a liquid?

• boiling point
• melting point
• gas to solid
• none of these

 is dull nonmetal or metal?

• nonmetal
• metal 
• i dont know 
• none of these 

what is density?

• physical
• chemical
• anything that takes up space
• relationship between mass and volume