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svetlana [45]
2 years ago
7

Looking at the periodic table, which group consists of elements that will not form an acid when combine with hydrogen?

Chemistry
2 answers:
PSYCHO15rus [73]2 years ago
5 0

Looking at the periodic table, which group consists of elements that will not form an acid when combine with hydrogen?

Sodium group - Reacts vigorously with water.

Magnesium group - Shiny, silvery, soft metal.

Fluorine group - Forms an acid in solution when combined with hydrogen.

Xenon group - Colorless and odorless gas.

A) radon, neon, calcium  

B) neon, bromine, barium  

C) beryllium, iodine, krypton  

D) lithium, potassium, fluorine

The answer is A) radon, neon, calcium

Rainbow [258]2 years ago
3 0
Group 8 nonmetals; <span>He, Ne, Ar, Kr, Xe, and Rn</span>
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Write your answer with correct significant figures (*no scientific notation): 847.3219 x 34.6 x 1.4560 =​
Lunna [17]

Answer:

42686.04375

Explanation:

847.3219*34.6=2317.33774 multiply this by the next number 1.4560 to get 42686.04375

3 0
3 years ago
Which type of bond is not backed by any specific collateral, such as land or equipment?
GrogVix [38]

Answer:

A

Explanation:

looking at both equity

and mortgage bond fixtures

I would rather say secured bond fit into not being backed by any specific collateral

7 0
1 year ago
A gas has a volume of 3.25 liters at 54 C and 231 kPa of pressure. At what temperature will the same gas take up 4.35 liters of
Firdavs [7]

Answer: 318 K

Explanation:

Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.

The combined gas equation is,

\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}

where,

P_1 = initial pressure of gas = 231 kPa

P_2 = final pressure of gas = 168 kPa

V_1 = initial volume of gas = 3.25 L

V_2 = final volume of gas = 4.35 L

T_1 = initial temperature of gas = 54^oC=273+54=327K

T_2 = final temperature of gas = ?

Now put all the given values in the above equation, we get:

\frac{231\times 3.25}{327}=\frac{168\times 4.35}{T_2}

T_2=318K

At 318 K of temperature will the same gas take up 4.35 liters of space and have a pressure of 168 kPa

4 0
3 years ago
How many protons, neutrons, and electrons are in a neutral atom with the symbol 41Ca
Harlamova29_29 [7]
B  the atomic number is 20 and then you subtract atomic mass to find the neutrons
3 0
3 years ago
Read 2 more answers
If 26.2 grams of a pure compound contain 8.77 × 1022 molecules, what is the molecular weight of this compound? Answer in units o
Nataly [62]

Answer:

Mw = 179.845 g/mol

Explanation:

  • Mw [=] g/mol

∴ w = 26.2 g

∴ 1 mol = 6.02 E23 molecules.......Avogadro's number

⇒N° moles = 8.77 E22 molecules * ( mol / 6.02 E23 molecules ) = 0.146 mol

⇒ Mw = 26.2 g / 0.146 mol = 179.845 g/mol

3 0
3 years ago
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