Fue Eu
312-22
(243)
Am
95
Ameroun Curium
96
151.96 / 157.25 158.93
Gd
200.59
Hg
11241
Gr114.82
31
Berli
Tb
65
오크의
ndum
69.72
Galium
Ga
3.
Which of the following could represent an element in an excited state?
a.
Is? 2s 2p?
b.
1s 2s 2p?
C. 1s 2s 2p5
d. 1s 2s 2p 3s1

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