Chemistry
30Jan
30Jan
What were the names of the minerals and types of rocks?
Merkling865
Chemistry
2 0
30Jan
How many neutrons does xenon have?
cmg01
Chemistry
1 0
30Jan
What everyday activity involves measurement?
Clairegrandlien
Chemistry
2 0
30Jan
Which statement regarding significant figures is false? a. Zeros can be significant b. When multiplying, the answer is determined by the number of significant figures c. When adding, the answer is determined by the number of decimal places d. When dividing, the answer is determined by the number of decimal places e. The number 50,004 has five significant figures
katwolff
Chemistry
1 0
30Jan
why is water vapor important in weather
kinaryossyseti
Chemistry
1 0
30Jan
30Jan
30Jan
Why is the equation incorrect? Mg₃ + N₂ → Mg₃N₂ (A) Some of the subscripts are incorrectly used. (B) The equation is not balanced. (C) The valence of the nitride ion is incorrect. (D) The valance of the magnesium ion is incorrect. (E) The coefficient of N₂ is incorrect. Can someone explain this one?
EarlKipping867
Chemistry
2 0
30Jan
Which of the following has the most electrons? A) Sr^{2+} B) Rb C) Cl^{-} D) Kr
KarolineFutterman
Chemistry
1 0