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Rama09 [41]
3 years ago
6

What do atomic-scale models show you that your observations of properties cannot?

Chemistry
1 answer:
Zigmanuir [339]3 years ago
4 0
The atomic number is the number of protons in the nucleus of an atom. The number of protons define the identity of an element.
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How much mass do 2.0 moles of uranium contain
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The answer is going to be 476.06.
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A change in the water temperature of the pacific ocean that produce warm current
liraira [26]
This is true, this isn't a question, it's a fact.
6 0
3 years ago
The radius of the smaller circle is 8 feet. The distance from the rim of the inner circle to the rim of the outer circle is 3 fe
postnew [5]

Answer:

178.98 sq. feet

Explanation:

The path and the garden has been shown in the figure below. The green area is the garden and the area in brown is the path.

It has been given that,

Radius of garden = 8 feet

So, the area of garden = 3.14 × 8 × 8 = 200.96 sq. feet

The total radius of the land including garden and path = 8 + 3 = 11 feet

So, the total are of land including garden and path = 3.14 × 11 × 11 = 379.94 sq. feet

So, the area of path = Total area of the land - area of garden

Area of path = 379.94 - 200.96 = 178.98 sq. feet

5 0
3 years ago
A chemistry instructor provides each student with 8 test tubes at the beginning of the year. If there are 28 students per class,
klemol [59]
Three classes: 28×3=84 students
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hope this helps!
7 0
3 years ago
You decide you want to carry a boulder home from the beach. It is 20 centimeters on each
e-lub [12.9K]

Answer:

Weight of boulder = 22,400 gram

Explanation:

Given:

Volume = 8,000 cm³

Density = 2.8

Find:

Weight of boulder

Computation:

Weight of boulder = Volume x Density

Weight of boulder = 8,000 x 2.8

Weight of boulder = 22,400 gram

3 0
3 years ago
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