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katrin2010 [14]
3 years ago
14

Drag words from the left to the correct blanks at the right. You may use the same words more than once. The sum of the number of

protons and neutrons in an atom is called the . The number of protons in an atom is called the atom's________ . Each chemical element has a unique_________ . Most hydrogen atoms have only a single proton in their nucleus, so a hydrogen atom that also has one neutron is an_________ of hydrogen. An atom with more electrons than protons has a negative________ .isotopeatomic numberelectric chargeatomic mass number
Geography
1 answer:
Nitella [24]3 years ago
5 0

Answer: Mass number, atomic number, atomic number, isotope, charge

Explanation:

The total sum of the protons and neutrons in the atomic nucleus is called mass number. It is approximately equal to the mass of the atom.

The number of protons that are present in the nucleus of an atom is called atomic number. It is represented by letter Z.

Each chemical element has a unique atomic number because of the presence of same type of atoms in an element.

The isotope is a variant of a particular chemical element. All isotopes have similar protons but different neutrons in numbers. Hydrogen can have different isotopes depending upon the number of neutrons.

An atom that have more electrons than protons will have a negative charge because electrons are responsible for imparting negative charge.

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A pendulum makes 59 complete swings in 2 minutes 40s what is the time period for 1 complete swing​
konstantin123 [22]

Answer:

0.37s to 2d.p

Explanation:

period T = no of oscillation/time taken

  • no of oscillation is 59
  • time taken=2×60+40= 120s + 40s=160s

T=59/160

T=0.37 to 2d.p

5 0
3 years ago
Evaluate the new imperialism of the late nineteenth and early twentieth centuries in Africa.
Studentka2010 [4]
<h2>The new European imperialism of the late nineteenth and early twentieth centuries resulted in the carving up of  most of the continents of Africa.</h2>

Explanation: This Imperialism gained its incentives from economic, military, political, generous, religious reasons and the growth of new technology.

To expand the markets of European mechanical business throughout the world by selling the  products that lacked domestic market.

Businessmen and bankers wanted to invest their excess capital, and foreign investments offered the incentive of greater returns regardless of the risks. They experienced both positive  and negative effects of imperialism.

The requirement of cheap labor  and quick supply of raw materials was the reason to acquire these unexplored regions.

4 0
3 years ago
How do rivers effect the climate of land around them in summer?
TEA [102]
Pollution and it being near the equator also some of it is


located in the tropic of cancer making some parts of china have a tropical climate

hope that answers your question :)

5 0
3 years ago
The Ocean around the North Pole is called which of the following?
Jet001 [13]

The Ocean around the North Pole is called Arctic Ocean.

4 0
3 years ago
De acordo com o Atlas do Desenvolvimento Humano, quais fatores definem o crescimento do desenvolvimento humano
viva [34]

Answer and Explanation:

De acordo com o Atlas do Desenvolvimento Humano, os fatores que definem o crescimento do desenvolvimento humano são o acesso a educação, o padrão de vida elevado, o progresso da nação a qual o individuo pertence, a disponibilidade de renda e saúde, o acesso ao conhecimento e a extensão da vida dos individuos. Todos esses fatores são utilizados para calcular o IDH que é chamado de índice de desenvolvimento humano.

É importante que você saiba que esse não pe o site brasileiro e sim o site estadunidense. Por esse motivo, não é permitido que você poste perguntas em português fora do campo "World Languagens" independente de qual materia a sua pergunta é.  Caso contrario, a sua poergunta pode ser reportada.

6 0
3 years ago
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