Answer:
Iron has a BCC crystal structure, an atomic radius of 0.124 nm, and an atomic weight of 55.85 g/mol.
Step-by-step explanation:
10. [-19-(-20) - (-34)] ÷ (-6)
= (-19+20+34) ÷ (-6)
= 35 ÷ (-6)
= -5.83
12. [-18 - (-66) -22] × 2
= [-18+66-22] × 2
= 26 × 2
= 52
Answer:
Step 2
Step-by-step explanation:
Jaime did not multiply by the reciprocal of 2/5 which is 5/2 on both sides.
5*5/2=25/2
Should be B! Hope it helps