50 points Write the formula for a compound containing two atoms of aluminum and three atoms of sulfur.

a al3 and s2
b al2 and s3
not c- c s5 and o2
not d- d s92 h48

C) not c- s5 and o2

Explanation:

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atomic mass

239 + 1 = y + 134 + 3 combine like terms

240 = y + 137             subtract 137 from both terms

240 - 137 = y

103 = y

atomic number

94 = z +54 + 0

94 = z + 54               subtract 54 from both sides.

40 = z

answer