What volume of 2.50 m lead ll nitrato
Answer: It's D
Explanation:
I just did this question and i picked C but it's actually D
Answer:
4.13X10^3= 4130 in the expanded form
Answer:
The answer is B.
Explanation:
Trust me i took the test already its b.
If we have a neutral atom, then it has the same number protons and neutrons.
The number protons and neutrons for neutral atom shows atomic number.
"A neutral atom has an atomic number of 20" means that atom has 20 protons (that give charge "+ 20" ) and 20 electrons (that give charge "-20").
Answer is 20 electrons.
