Please help guys When the nucleus of an atom is split, the release of __1__ produces a __2__ reaction.

1)
A. Protons
B. Chain
C. Nuclei
D. Neutrons
E. Spontaneous
F. Nuclear
G. Electrons

2)
A. Protons
B. Chain
C. Nuclei
D. Neutrons
E. Spontaneous
F. Nuclear
G. Electrons

The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?

What state of matter is ice a. liquid b. element c. solid d. gas

How many peaks will be present in a mass spectrum for brcl?