H + x
Li + " He
The particle represented by X is
w
WWW
A)' Li
В) • „Ве
C) Be
S
RSS
ISTE
TH
'or la
th

21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8

Why is the structure of molecule important to its function?

Stage in which a typical star has completely stopped fusion