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2 years ago

How do you get protons for an element

Advanced Placement (AP)

1 answer:

kakasveta [241]2 years ago

7 0

Answer:

The proton number is found in the periodic table of elements.

Explanation:

<em>The atomic number </em>is the number that defines each element in the periodic table. It accounts on the number of protons in a nucleus of an element, as well as the number of electrons. It is marked by the letter Z.

It should be distinguished from the mass number which is the total number of protons <em>and </em>neutrons inside a nucleus.

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Which of the following pairs of angles is not necessarily congruent

Alex

Answer:

E. $\angle 3$ and $\angle 5$ .

Explanation:

According to the figure, we have the following conclusions:

1) $\angle 1$ and $\angle 2$ are vertical opposite angles. ( $m \angle 1 = m \angle 2$ )

2) $\angle 2$ and $\angle 3$ are internal alternate angles. ( $m \angle 2 = m\angle 3$ )

3) $\angle 2$ and $\angle 4$ are corresponding angles. ( $m\angle 2 = m\angle 4$ )

4) $\angle 3$ and $\angle 4$ are vertical opposite angles. ( $m \angle 3 = m \angle 4$ )

But, $\angle 3$ and $\angle 5$ , since $m \angle 3 + m\angle 6 + m\angle 5 = 180^{\circ}$ , where $\angle 3$ is an acute angle and $\angle 6$ is a right angle, and $m \angle 4 + m \angle 5 = 90^{\circ}$ . Then,

$m\angle 5 = 90^{\circ} -m\angle 4$ .

$m\angle 5 = 90^{\circ}-m\angle 3$

Hence, the right answer is E.

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2 years ago

when compared to an extravert, what is an activity an introvert is likely to do? compared to extraverts, introverts are

Veseljchak [2.6K]

An introvert is likely to stay inside and read all day. Compared to extroverts*, introverts are people who are less outgoing and sometimes prefer solitude than engaging with others.

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1 year ago

Identify three specific examples from the article that demonstrate the concept of diseconomies of scale. Be sure to explain how

den301095 [7]

We need the article to answer the question

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2 years ago

Which of the following best describes the historical circumstances of Rashid al-Din's career?

stepan [7]

Answer:

His career illustrates the possibilities for diffusion and intermingling of cultures brought about by the Mongol conquests. hope this helps

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