Which statement is true about Hf and HF?

(1) both are elements

(2) both are compounds

(3) both are substances

(4) Hf is a compound while HF is an element

What is polarity as used in magnets?

What does osmosis depend on? A. the identity of the solute and solvent B. how much solvent is present in the solution C. the number of particles present in the solution D. it does not depend on anything

Why do sidewalks have built in cracks every few feet

best way to dry a food thermometer

How can you tell whether one glass of water has more thermal energy another, identical glass of water?

What is the resultant molarity of 20mL of a 3.5M solution is diluted to 100mL? Will mark brainliest

The shape of molecules that contain only two atoms is

Standing near a campfire, you can feel heat. This is an example of a) acceleration b) conduction c) convection d) radiation

Find the mass in grams of 2.00*1023 molecules of C10H140

Choose the substance with the lowest surface tension. Choose the substance with the lowest surface tension. a) H2O b) (CH3) 2CO c) CH3CH2CH2CH3 d) C6H6 e) CH3OH