SYNTHESIS
element + element => compound
DECOMPOSITION
compound => element + element
SINGLE REPLACEMENT
AX + B => BX + A
DOUBLE REPLACEMENT
AX + BY => AY + BX
Sorry idk which 3/4 correspond to this is just how i learned it :)
Answer:
Ice melting is a physical change. Physical changes are changes which affect the form of a chemical substance, but not its chemical composition. Certain factors, such as, temperature, contribute to the melting of ice, but it will be classified as a physical change, because the number of molecules present in the water does not change.
Explanation:
Answer:
Neutron - non charged particle in nucleus
nucleus - composed of proton and Neutron
electron - negatively charged particle that moves around the nucleus
proton - positively charged particle in the nucleus.
Explanation:
these the are definitions of the terms
Reactants are on the left side of the arrow, while products are on the right