How are electrons excited

What happens when the physical and chemical properties of elements when atoms form compounds?

Beryllium has a nucleus composed of protons and neutrons. Given the data, how many protons are in a typical Beryllium nucleus? A) 3 B) 4 C) 5 Eliminate D) 9

Consider the amount of heat energy delivered to an object by the same mass of liquid water at 100°C and steam at 100°C. Which statement is true? a. Liquid water delivers more energy because it has more mass. b.

How can you identify an ionic compound?

The smallest volume from among the following is: A. 0.012 L. B. 18 cm3. C. 1.6 x 10-2 L D. 25 mL.

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