05/01/21 crude oil and frac distil starter

What term is given to a compound which contains atoms of carbon and hydrogen only?

• alkene

• hydrocarbon

• alkane

• saturated

Alkenes have the general formula:

• CnH2n

• CnH2n+1

• CnH2n+2

• CnHn

What does homeostasis mean?

• Temperature
• Water
• Cells
• Steady state

Osmosis it the diffusion of __________.

• water
• glucose
• air
• passive transport

What is diffusion?

• when molecules move 
• when molecules move from a high concentration to a low.
• no movement 
• molecules move everywhere

Look at the picture...which way would the molecules of water move according to osmosis?

• From A to B
• From B to A

What is the basis of a metallic bond?

• the attraction of neutral metal atoms.
• the attraction between protons and neutrons.
• the attraction between positive metal ions and interlocking electrons.
• the attraction between positive metal ions and free floating electrons.

What does malleable mean?

• able to be shaped
• will break easily
• can be used for wire
• is shiny

Which of these is NOT an alloy?

• bronze
• copper
• brass
• stainless steel

What can be generalized about covalent bonds?

• Electrons will be exchanged.
• Electrons will be transferred.
• Electrons will be given and taken.
• Electrons will be shared.