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Marizza181 [45]
3 years ago
6

Which elements are in the same period?

Chemistry
1 answer:
worty [1.4K]3 years ago
5 0

Answer:

Elements that are in the same period have chemical properties that are not all that similar. Consider the first two members of period 3: sodium (Na) and magnesium (Mg). In reactions, they both tend to lose electrons (after all, they are metals), but sodium loses one electron, while magnesium loses two.

Explanation:

(Hoped this helped! :D)

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Which of the following is a characteristic of mixtures? A. Mixtures can only be in solid and liquid form. B. Substances that are
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3 years ago
Due to the fact that ionic compounds have strong intermolecular forces they are __________ at room temperature.
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2 years ago
Which of the following identifies the number and location of protons in a lithium atom
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6 0
2 years ago
2. Balance the equation below, and answer the following question: What volume of chlorine gas, measured at STP, is needed to com
Juliette [100K]
Balanced equation: 2Na(s) + Cl₂(g) ---> 2NaCl(s)

when we have STP conditions, we can use this conversion: 1 mol = 22.4 L

first, we have to convert grams to molecules using the molar mass, and then use mole to mole ratio from the balanced equation. 

molar mass of Na= 23.0 g/mol
 ratio: 2 mol Na= 1 mol Cl₂ (based on coefficients of balanced equation)

calculations:

6.25 g Na ( \frac{1 mol Na}{23.0 g} ) ( \frac{1 mol Cl_2}{2 mol Na} ) ( \frac{22.4 L}{1 mol} )= 3.04 L
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