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3 years ago

Which term describes the uneven way that glass breaks

Chemistry

2 answers:

lbvjy [14]3 years ago

5 0

Fracture will be your answer.

nadya68 [22]3 years ago

5 0

Answer:

FRACTURE

Explanation:

The fracture is usually referred to as the tendency of breaking or separation of materials in an uneven or irregular pattern. Glasses also breaks in an irregular manner. The fracture that occurs in glass are mainly of two types. They are as follows-

(1) Concentric fracture- When fractures in the glass produces circular lines, then they are known as concentric fractures.

(2) Radial fracture- When fractures in glass produce outward extending (radiating) lines then, they are termed as radial fracture.

Thus, the term fracture commonly describes the uneven way that glass breaks.

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How many energy levels does the element helium have?

Alex Ar [27]

Answer:

Element Helium have 2 energy levels.

Explanation:

HELIUM - With the symbol He and the atomic number 2, helium is a chemical element. It is a colorless , odorless, tasteless, non-toxic, inert, monatomic gas that is the first in the periodic table in the noble gas group. Of all the elements, its boiling point is the lowest.

At about 24 % of the total elemental mass, which is more than 12 times the mass of all the heavier elements combined, it is present. In both the Sun and Jupiter, its abundance is identical to this. This is due to helium-4's very high nuclear binding energy (per nucleon) with respect to the next three elements following helium.

Hence , the answer is 2 energy levels in Helium atom.

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3 years ago

What is the mass number of a carbon atom which has 7 neutrons?

Strike441 [17]

Answer:

Carbon-13

Explanation:

Carbon have three isotopes. Isotopes are the atoms of the same element which has a different number of neutrons. Carbon has 3 isotopes.

Carbon-12 : 6 electrons I 6 protons I 6 neutrons

Carbon-13 : 6 electrons I 6 protons I 7 neutrons

Carbon-14 : 6 electrons I 6 protons I 8 neutrons

5 0

3 years ago

Which of these statements best describes the relationship between matter, pure substances, and mixtures? (2 points)

Elden [556K]

Answer:

Brainly operates a group of social learning networks for students and educators. Brainly inspires students to share and explore knowledge in a collaborative community and engage in peer-to-peer educational assistance, which is made available on www.brainly.com and any www.brainly.com sub-domains (the “Website”) as well as the Brainly.com mobile application (the “App”) (the “Website” and the “App” are collectively the “Brainly Services”).

Explanation:

4 0

3 years ago

Read 2 more answers

15g of hydrogen gas reacts exactly with 70g of nitrogen gas to produce ammonia, NH3. deduce the balanced equation for the reacti

GrogVix [38]

Answer:

3H2 + N2 ---> 2NH3

Explanation:

7 0

3 years ago

Which essential fatty acid is rarely found to be deficient as it is typically consumed in abundance in the majority of diets?

Gre4nikov [31]

Answer:

B. Linoleic acid

Explanation:

Linoleic acid was discovered by chance in 1978 by Michael W. Pariza at the University of Wisconsin looking for mutagene formations in meat during cooking. It is called a conjugated linoleic acid (CLA) to a family of several isomers of linoleic acid (at least 13 are known), which are very common in vegetable oils (corn oil, soybean oil, sunflower oil, etc. ) and in animal fat.

The conjugated linoleic acid is formed by several types of fatty acids, all of them different in their chemical structure. CLAs are a “trans” fat that is not harmful to health, but instead is beneficial

Natural Sources of Conjugated Linoleic Acid

The main natural sources of conjugated linoleic acid in food are:

Beef

Butter

cheese

Lamb

Homogenized milk

Yogurt

7 0

4 years ago