Atomic number.
The atomic number is what defines the element.
1.more
2.longer
3.warmer
4.northern
5.less
6.shorter
7.colder
8.southern
Answer:
D
Explanation:
Double Displacement reaction
Both sides are balanced with option D
Answer:
Fundamentally, chemistry is the study of matter and change. The way that chemists study matter and change and the types of systems that are studied varies dramatically. Traditionally, chemistry has been broken into five main subdisciplines: Organic, Analytical, Physical, Inorganic, and Biochemistry.
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Answer:
C. NaHCO3 → Na2CO3 + H2O + CO2
Explanation:
» For a balanced equation, the number of atoms of reactants and products must be equal.
» In equation C, the reactant side has one sodium atom while ptoduct side has 2 sodium atoms.
» The balanced equations mus be;
