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2 years ago

What are some abiotic factors that ocean creatures near the shore need to be adapted to?

Chemistry

1 answer:

alexdok [17]2 years ago

5 0

Answer:A.salinity levels, air quality, water density

Explanation:nba youngboy

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1.what is the mass of an atom. 2.what is the difference between an ion and atom.

blsea [12.9K]

Answer: Atoms are single neutral particles, and an ion is a positively or negatively charged particle.

Explanation:

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2 years ago

Why do different materials have similar properties

Deffense [45]

Answer:

The difference in the number of protons and neutrons in atoms account for many of the different properties of elements.

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2 years ago

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Identify the Lewis acid and Lewis base from among the reactants in each of the following equations. Match the words in the left

goldfiish [28.3K]

Answer:

1. Lewis acid: F. Fe₃⁺, Lewis base: B. CN⁻

2. Lewis acid: A. AlCl₃, Lewis base: D. Cl⁻

3. Lewis acid: C. AlBr₃, Lewis base: E. NH₃

Hope this helps.

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2 years ago

If a penny (with the this volume .39 cm^3) was made out of pure copper, what should its mass be?

blondinia [14]

Answer:

3.49 g

Explanation:

The mass is the product of volume and density:

(8.96 g/cm³)(0.39 cm³) ≈ 3.49 g

The mass of a pure-copper penny would be 3.49 g.

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2 years ago

What did Dalton’s atomic theory teach

sweet-ann [11.9K]

Answer:

All matter is composed of atoms.

Atoms are not destructible.

Compounds formation occur by the combination of one or different types of atoms

In the chemical reactions, atoms are rearranged.

The atom of the same elements are similar in size and properties and the Atoms of the different elements are different in size and properties.

Explanation:

John Dalton has developed the Dalton atomic theory.

Dalton atomic theory was the first to explain that all matters composed of atoms and its properties, the atom as the smallest particle which cannot be destroyed and damaged.

This theory was based on the law of conservation of mass and law of constant composition.

His theory was accepted by many scientists.

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3 years ago

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