katerina613
katerina613
04-12-2018
Chemistry
contestada
how many oxygen atoms
in 4 Al 2 O 3
Respuesta :
kenmyna
kenmyna
13-12-2018
The number of oxygen atoms that are in 4 Al₂O₃ are
12 atoms
Explanation
The
subscript
in a chemical formula indicate the number of atoms of element immediately before the subscript.
coefficient
is the number in front of the formula and tells us how many molecules of a given formula are present.
Since
4Al₂O₃
has coefficient of
4
and the subscript of
O
is
3
the number of O atoms =
4 x 3=12 atoms
Answer Link
VER TODAS LAS RESPUESTAS ( 88+ )
Otras preguntas
True or false: A record of a team's portfolio and transactions will be available only twice a week
Based on the map and excerpt- how would you describe the importance of Texas in the civil war? PLEASE
What is the answer
Determine the solutions of equations 2x^3+3x+2x=0 in simplest a +bi form
ROUND ALL TO 2 DECIMAL PLACES Question 4 What is the molarity of the following solution? 1.71 mol in 5.15 L of solution Question 5 How many moles of solute ar
∞(PLEASE HURRY)On a coordinate plane, a line segment contains points (negative 4, 4) and (4, 2). Another line segment contains points (negative 2, 2) and (2, 1)
A rectangle has a length of x + 5 and a width of 2x - 9. Using the formula for the perimeter of a rectangle, P = 2L + 2W, write an expression to represent the p
simplify 2 (x-4)-6x .....................
What is 4/9/2/3? PLEASE HELP MEEE! DUE IN 5 MINUTES!
Andriana Rodriguez is applying for a loan. As she is filling out the paperwork, she comes across a question about her age, which Andriana does not fill in. Whic
