3 years ago

Covalent bonds tend to occur between

1 answer:

3 0

Covalent bonds are a class of chemical bonds where valence electrons are shared between two atoms, typically two nonmetals. The formation of a covalent bond allows the nonmetals to obey the octet rule and thus become more stable.

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A moist red litmus paper is used for testing ammonia gas ,why

yawa3891 [41]

Answer:

when the red litmus paper is placed in a jar of ammonia, the red litmus paper turns into blue as ammonia gas is basic in nature. It confirms the alkalinity of the ammonia gas.

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3 years ago

What domain is an onion

Nana76 [90]

The domain that is an onion is the Eukaryote.

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3 years ago

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the mass of a liquid is 11.50 g and its volume is 9.03 mL. How many significant figures should its density value have?

BlackZzzverrR [31]

Answer:

Explanation:

The mass has 4 sig digits.

The volume has 3 sig digits

The density is = 11.50/9.03 = 1.2735

To 3 sig digits (determined by 9.03) the answer would be 1.27 gram/mL

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3 years ago

Which of the following correctly represents the transmutation in which a curium-242 nucleus is bombarded with an alpha particle

Alekssandra [29.7K]

Answer: The chemical equation is written below.

Explanation:

Transmutation is defined as the process in which one chemical isotope gets converted to another chemical isotope. The number of protons or neutrons in the isotope gets changed.

The chemical equation for the reaction of curium-242 nucleus with alpha particle (helium nucleus) follows:

$_{96}^{242}\textrm{Cm}+_4^2\textrm{He}\rightarrow _{98}^{245}\textrm{Cf}+_0^1\textrm{n}$

The product formed in the nuclear reaction are californium-245 nucleus and a neutron particle.

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4 years ago

3. compounds in which elements are held together by covalent bonds...keeps their own properties

stich3 [128]

The anserr is c that what i think

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4 years ago