According to the periodic table, how many protons are in phosphorous?
15
Another name for cm3
ml
Classify the following type of matter:
Sodium Metal (Na)
Element
Compound
Heterogenous Substance
Homogenous Substance
Element
What are the 3 States of Matter
Gas, Liquid, Solid
The resistance of a fluid to flow
Which atom has 5 valance electrons?
boron
phosphorous
chlorine
vanadium
phosphorous
Formula for density?
mass / volume
How many different elements are in the compound sodium carbonate (Na2CO3)?
3
Which state of matter has the lowest amount of energy?
Solid
An object less dense than water will _______ in water
Float
Which element has the atomic #6 ?
Carbon
A piece of copper has a mass of 89g and a volume of 10 cm3. What would be the density of the copper?
8.9 g/cm3
Pure Vinegar is (CH3COOH) a?
Element
Compound
Heterogenous Mixture
Homogenous Mixture
Compound
When you remove energy from a gas the gas _
condensates
An object more dense than water will _______ in water
sink
Which element has the atomic # 7 ?
Nitrogen
What is the volume of a piece of steel that has a density of 8.05 g/cm³ and a mass of 220.0 g?
27.3 cm3
Air is a :
Element
Compound
Homogenous Mixture
Heterogenous Mixture
Homogenous Mixture
When you add a lot of heat to a solid, and the solid goes from a solid to a gas without being a liquid we call this? _________
melting
condensation
sublimation
freezing
sublimation
The viscosity of oil is ________ than the viscosity of water
greater