Positive
What is the basic structural unit of matter; the smallest part of an element?
atom
What is the number of atoms in this compound?
FeS2
Fe- 1
S- 2
What type of charge is Neutron?
NONE!!
What is A chemical reaction that occurs in a container that allows no reactants or products to escape?
Closed system
NaCL or Na
What is the number of atoms in each element in this compound?
H2SO4
H- 2
S- 1
O- 4
What type of charge is electron?
NEGATIVE
what is the resulting substance(s) in a chemical reaction (hint: the right side of the arrow)?
Product
What is The compound sucrose has a chemical formula of C12H22O11. How many different ELEMENTS are in one molecule of sucrose?
3
What is the number of atoms in each element in this compound?
Al(NO3)3
Al- 1
N- 3
O-9
What particle can be found outside of the nucleus?
Electron
What is When at least two atoms chemically bond together?
Molecule
Would water (h2o) be considered a compound?
NO!! It is an element
What is the number of atoms in each element in this compound?
3Ba(OH)2
Ba- 3
O- 6
H- 6
What do you call the center of an atom?
NUCLEUS
What is a Characteristic of a substance (such as reactivity with acid) that can only be observed by changing the chemical nature of the substance?
Chemical Property
What is the compound sucrose has a chemical formula of C12H22O11. How many ATOMS of Hydrogen (H) are in one molecule of sucrose?
22
Make this chemical equation balanced.
2 Fe2O3 + 3 C4
4 Fe + 3 CO2