Probably true because chemicals do control weed and it hurts the environment.
Answer:
1
Explanation:
fluorine's atomic number is 9
electronic configuration: 2,7
so it needs 1 electron to stabilise
that's why 1 covalent bond
hope it helps!!
Answer:
147 amu
Explanation:
CaCl2. 2H2O
=>40*1+35.5*2+2*1*2+2*16
=>40+71+4+32
=>147 amu..
I hope u will understand it:-):-)
Answer:
w w w . g o o g l e . c o m
Explanation: