Use the periodic table to match each of the following element symbols to its name, atomic mass, or atomic number. (3 points) 1.
Se

2.
S

3.
Sn

a.
Tin
b.
78.971 u (atomic mass)
c.
16 (atomic number)

a. a primary source combines several different accounts of an event. b. a primary source generally benefits from having been written after an event.

explanation:

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.

if you're asking what comes out, it's steam.