1. 1. Identify the elements that have the following electron configurations. Be mindful, some may be in their excited state.
(A) 1s 2s 2p 3s 3p?
(B) 1s? 2s 2p 3s 3p 4a? 3d10 4p4
(C) 1s2s22p% 3p?

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth

What is the common name for the compound shown here? enter the common name of the compound shown?

Why can water dissolve many ionic compounds