What gives elements in a family or group similar properties?

a. the same atomic mass

b. the same number of protons in their nuclei

c. the same number of electrons in their outer energy level

d. the same number of total electrons?

Which is a characteristic of nuclear fusion?

How many moles of cobalt atoms are there in 6.00x10^9 Co atoms?

Where would you find the element with the least mass in the periodic table? A. Period 1, group 18 B. Period 7, group 1 C. Period 3, group 2 D. Period 1, group 1

How might cancer of testes affect a man's ability to make sperm

Solids like silver chloride (AgCl) dissolve in water according to the temperature and solubility (g/L or mg/L). If the solubility of AgCl at 25 °C is 2.5 g AgCl (s) in 1.3 x 103 L of water, what mass (in milligrams) of AgCl will dissolve in 1.

What happens when the threat of exposure to dirty air is reduced in a community? There is enough oxygen available for people's lungs to function normally The amount of indoor air pollutants released during a fossil fuel burn decreases There is a

Is chicken noodle soup an element, a compound, a homogeneous mixture, or a heterogeneous mixture?

How is the amount of sunlight affect the makeup of an ecosystem

How many moles are in 65 g of carbon dioxide (CO2) ?

kilograms represented by the mass defect for thorium - 234=3.09x 10-27 kg what is the nuclear binding energy for thorium - 234