2 years ago

What are the 2 basic parts of an atom?

2 answers:

6 0

An atom is composed of two regions: the nucleus, which is in the center of the atom and contains protons and neutrons, and the outer region of the atom, which holds its electrons in orbit around the nucleus.

Lerok [7]2 years ago

5 0

Answer:

nucleus and electrons

Explanation:

nucleus contains protons and neutrons

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A sample of gas at 1.10 atm has a volume of 326 mL. What is the new volume if the pressure is changed to 1.90 atm?

Brut [27]

Answer

For this we use ideal gas equation which is:

P1V1 = P2V2

P1 = 1.10 atm

V1 = 326 ml

P2 = 1.90

V2 = ?

By rearranging the ideal gas equation:

V2 = P1V1 ÷ P2

V2 = 1.10 × 326 ÷1.90

V2 = 358.6 ÷ 1.90

V2 = 188.7 ml

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3 years ago

Use the periodic table or graphic in lesson. what is the atomic number of carbon?

DochEvi [55]

Carbon's atomic number is 6

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2 years ago

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When an object asorbs all light waves what color will it appear to be

olganol [36]

The colour will be white

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7 0

3 years ago

Is this correct please help?

iren [92.7K]

Answer:

$\boxed {\tt Number \ and \ unit}$

Explanation:

The two requirements for a measurement are a number and a unit.

For example, here is a measurement:

38.6 cm

The number is 38.6 and the unit is cm, or centimeters.

Therefore, both number and unit are correct.

7 0

3 years ago

The placement of carbonyl group of a kerose sugar is at second-carbon only (b) fir + carbon only () first and fast carbon (d) li

olasank [31]

Answer:

(d)

Explanation:

Carbonyl group can be the placement of kerosene sugar

6 0

2 years ago