What is the next atomic orbital in the series below? 1s, 2s, 2p, ___ a. 2d
b. 3d
c. 3s
d. 2f

Answers

Answer 1

Answer: 3s is the answer to this question

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The combustion of a sample of butane, C4H10 (lighter fluid), produced 2.46 grams of water. 2 C4H10 + 13 O2 -------> 8 CO2 + 10 H2O (a) How many moles of water formed? (b) How many moles of butane burned? (c) How many grams of butane burned? (d) How much oxygen was used up in moles? In grams?

Two substances have different physical and chemical properties. Both substances havemolecules that contain two carbon atoms, one oxygen atom, and six hydrogen atoms. These two substances must be
(1) isomers of each other
(2) isotopes of each other
(3) the same compound
(4) the same hydrocarbon

Answers

Answer: Option (1) is the correct answer.

Explanation:

When two or more compounds represents same chemical formula but different arrangement of atoms in their structure are known as isomers.

Also, due to different arrangement of atoms the molecules will show different physical and chemical properties.

Isotopes are the atoms which contain same number of protons but they have different number of neutrons. So,they exhibit same chemical properties due to same number of electrons or protons.

Thus,we can conclude that in the given situation the two substances must be isomers of each other.

The answer is (1) isomers of each other. The question part is the definition of isomers. The isotopes are elements with same protons but different neutrons. Isotopes are same element.

Which statement describes how the bond between two oxygen atoms is formed?

Answers

The bond that exist between two oxygen atoms is called a double covalent bond. This bond involves the sharing of four electrons to obtain a more stable structure. This type of bond is much stronger than the single covalent bond.

Atoms bond by sharing valence electrons.

If'substance X is a liquid, substance Y is a gas, and substance Z is a solid, and all are at thesame temperature and pressure, then the order of increasing strength of their intermolecular
forces would be

Answers

The answer is Y < X < Z

Match each element with the number of atoms found in one molecule of this compound: C5H7N (nicotine)

Answers

Carbon (5)
Hydrogen(7)
Nitrogen(1)

The empirical formula for a compound is CH2. If n is a whole number, which shows a correct relationship between the molecular formula and the empirical formula? a) empirical formula mass / molecular mass = n B) molecular mass = element mass / empirical formula mass ´ 100 c) subscript of H in empirical formula = 2 subscript of H in molecular formula D) subscript of C in molecular formula = n subscript of C in empirical formula

Answers

An empirical formula is the "reduced" version of a molecular formula. For example, CH3 is the empirical formula for C2H6, C3H9, C4H12, and so forth. The difference in subscripts between an empirical formula and molecular formula is given by the constant n. If n is a whole number, this means the numerator is the molecular formula. So the answer is D. subscript of C in molecular formula = n subscript of C in empirical formula. This can be rewritten as:

n = subscript of C in molecular formula/subscript of C in empirical formula

Answer:

Explanation:

Who was the first governor of the Massachusetts Bay Colony?A)
John Smith

B)
John Winthrop

C)
Thomas Dale

D)
William Bradford