How do whales bats and dolphins use echolocation? to scare away predators, to orient themselves and to find food, to attract males, or to tell other animals of their species where they are?

If an atom of zinc has a mass of 64 it has how many neutrons

What is a controlled variable?

How many atoms are in 6.2 moles of aluminum?

How many atoms are in 4Mg (OH) 2

a solution contains 29.1g per litre of aluminium sulphate. calculate the number ofsulphate ions in 350cm^3 of the solution (Al=27, S=32, O=16)

A chemical base may be defined as a compound which contributes hydroxide ions or increases the OH concentration when dissolved in water. True False

Correct name for LiCl

What is anisotropy. Explain briefly with example.

Which is measured using a calorimeter

5) Solid lithium metal is added to an aqueous solution of magnesium chloride forming lithium chloride solution and solid magnesium a. If you begin the reaction with 15.0 g of lithium and 25.