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3 years ago

The diagram below shows some subatomic particles.

Chemistry

2 answers:

marysya [2.9K]3 years ago

7 0

Answer is: It is either a proton or a neutron.

Quark is a type of elementary particle and a fundamental constituent of matter.

Quarks form composite hadrons (protons and neutrons). Protons and neutrons are in the nucleus of an atom.

Hadrons include baryons (protons and neutrons) and mesons.

There are six types of quarks: up, down, strange, charm, bottom, and top.

Alina [70]3 years ago

6 0

The correct option is this: IT IS EITHER A PROTON OR A NEUTRON.

Each atom of an element is made up of three sub particles, these are: electrons, protons and neutrons. The protons and the neutrons are located inside the nucleus of the atom while the electrons are located outside the nucleus, where they orbit round the nucleus. Since the sub particle X given in the question is located in the nucleus of the atom, then it is either a proton or a neutron.

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A solution contains one or more of the following ions: Ag , Ca2 , and Co2 . Lithium bromide is added to the solution and no prec

koban [17]

Answer:

$Ca^{2+} and Co^{2+}$

Explanation:

Given:

A solution contains one or more of the following ions such as Ag, $Ca_2$ and $Co_2$

Here the Lithium bromide is added to the solution and no precipitate forms

Solution:

Since with LiBr no precipitation takes place therefore Ag+ is absent

Here on adding $Li_2SO_4$ to it precipitation takes place.

Precipitate is as follows,

$Ca^{2+}(aq)+SO_4^2^-(aq)----->CASO_4(s)$

Thus,

$Ca^2^+$ is present

When $Li_3PO_4$ is added again precipitation takes place.

Therefore the reaction is as follows,

$Co^2^+(aq)+PO_4^3^-(aq)------>Co_3(PO_4)_2(s)$

Therefore,

$Ca^{2+} and Co^{2+}$ are present in the solution

3 0

3 years ago

What is the average atomic mass of the element?

morpeh [17]

The average atomic mass of element X is 14.007 u.

The average atomic mass of X is the weighted average of the atomic masses of its isotopes.

We multiply the atomic mass of each isotope by a number representing its relative importance (i.e., its % abundance).

Thus,

0.996 36 × 14.003 u =13.952 03 u

0.003 64 × 15.000 u = 0.054 60 u

__________TOTAL = 14.007 u

7 0

3 years ago

How much heat do you need to raise the temperature of 150g of ice from -30°C to -15°C?

adoni [48]

I believe the answer is c

7 0

3 years ago

As they pass through the rock cycle, atoms:

Arlecino [84]

Answer:

Option (C)

Explanation:

Atoms are the basic structures that are combined to form minerals, which are further accumulated giving rise to the formation of rocks. These atoms plays a significant role in the formation of rock and their significant characteristics.

When atoms are passed through the rock cycle, they are not able to move at the same rate, but they can move at a different rate. When a rock changes from one kind to another, its constituent minerals and atoms also alters, forming a different rock type with variable characteristics and properties.

Thus, the correct answer is option (C).

8 0

3 years ago

Select the correct answer.

GREYUIT [131]

Answer:HNO3 + NaOH → H2O + NaNO3

Explanation:

8 0

4 years ago