The variety of organism living in an area

Which of these is a heterogeneous mixture? a. air b. soil c. steel d. salt water

What is the greatest degree of ionic character found in a sulfur bond

Which of the following is the correct Lewis structure for ammonia (NH3) ? Note: Hydrogen and nitrogen have one and five valence electrons respectively.

Using the example reaction aA + bB → cC + dD write the potential first order and second order rate laws

Fission 6 principle that during a chemical reaction the total mass of the system is unchanged 2. fusion 3 the positive ion that results when a hydrogen ion is bonded to a water molecule (h3o+) 3. hydronium 5 a charged atom or group of atoms 4.

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda