Which element has the same number of energy levels as krypton (Kr) and the same number of valence electrons as nitrogen (N) ?

My answer is arsenic (As) is that right?

How would you prepare 175.0 no of. 150 M AgNO3 solution starting with pure AgNO3?

How to calculate magnitude of k

What does relative abundance mean? (Isotopes)

Li2O (s) + H2O (g) →2LiOH (s) How many grams of Li2O must be carried on board to remove 70.0 kg of water? What is the answer Lithium oxide is used aboard the space shuttle to remove water from the atmosphere according to the equation

The chemical formula for glucose is C6H1206. Therefore, four molecules of glucose will have () carbon atoms () hydrogen atoms, and () oxygen atoms.

Sodium chloride is stirred into water to form a solution. in this case, what are sodium chloride and the water?

1. A liquid is matter because it a) is hard, b) has its own shape, c) has mass and takes up space. d) living things could not survive without it.

Which of the following molecules is amphipathic? A) CH3CH2OH B) CH3 (CH2) 10CO2H C) CH3 (CH2) 10CH3 D) CH3CO2H

Considering the following precipitation reaction: Pb (NO3) 2 (aq) + 2KI (aq) → PbI2 (s) + 2KNO3 (aq) Which ion would NOT be present in the complete ionic equation?

What does the symbol C p stand for?