This element has a completely filled 3p sublevel for its outermost electrons

Whats a type of researcher that uses computer to make sense of complex digital data

How many dots are shown in the electron dot diagram for calcium, in group II and period 4 with 20 protons and 20 electrons? a. four c. eight b. two d. twenty

The atom having the valence shell configuration 3s2 3p3 would be: A. Group 3A, Period 5 B. Group 5A, Period 3 C. Group 7A, Period 4 D. Group 3A, Period 3

The expression of 5522 km in scientific notation is

Ultraviolet rays are absorbed by water in the atmosphere not absorbed by water in the atmosphere slowed down by water in the atmosphere rendered harmless by water in the atmosphere

When 500 mL of 0.100 MAgNO3 is combined with 500 mL of HCl in a coffee-cup calorimeter, the temperature changes from 23.40 ∘C to 24.21 ∘C. Calculate ΔHrxn for the reaction as written. Use 1.00 g/mL as the density of the solution and C=4.

How much heat is required to warm 1.30 l of water from 24.0 ∘c to 100.0∘c? (assume a density of 1.0g/ml for the water.) ?

how many protons electrons and neutrons does a atom with the atomic number 50 and mass number 125 contain?

What do you call an equation that has all the correct formulas, but is not a balanced equation

What were some reasons why it was a good idea to remove the lid from the separatory funnel after each extraction? Select all that apply.