A Valence Electrons9Less than 8 valence electrons)
If Isay GROUPS, you say ....
A Valence Electrons
1. What element is this in the picture (IDENTIFY)?
2. How many electrons does it have?
3. How many VALENCE electrons?
4. Is this atom reactive or stable? How do you know?
How many atoms of each element? 2 water molecules How many Hydrogen atoms? How Many Oxygen atoms?
Multiply the coefficient by the subscripts to find out the number of atoms of each element. Then do the same with the other side of the reaction. Is this a balanced equation? Why or why not? How many Fe are on the reactants side? How many on the product side?
Thisis a balanced equation. True or False?
When I say Sun, you say:
A Closest Star & Edge of Disc Shaped Spiral Galaxy
Add to my formatives list