Answer:1. C
2.A
Explanation:
Answer:
4k^2-4k+1
Plx give brainlyest
Answer: 1 mole ➡️ 6.022×10²³ atoms of si.
X mole ➡️ 2.8×10²⁴ atoms of si.
X = 2.8×10×10²³/6.022×10²³
= 28/6.022
= 4.65 moles.
its D.
yes
here you go
1=Covalent compound,2=Ionic compounds,3= Ionic Compounds, 5=true
