Answer:
Each column is called a group. The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons. They are the electrons involved in chemical bonds with other elements.
Explanation:
Each column is called a group. The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons. They are the electrons involved in chemical bonds with other elements.
Answer:
12
Explanation:
alkyne formula is CnH2n-2
heptyne = 7
.90 dL is 90 mL because 1 dL is 100 mL
The molar mass of Fe would be 55.8450.