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2 years ago

Q2. The table gives the composition of three particles.

Chemistry

1 answer:

Kisachek [45]2 years ago

8 0

Answer:

The proton and electrons are equal,

15protons and 15electrons

Explanation:

An atom is the smallest electrical neutral particle of an element so it means that every atom have same number of protons and electrons.

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4 Which pair of ions is isoelectronic?

Softa [21]

Answer:

B. Na+ and O2-

Explanation:

Na+ plus has 10 electrons and O2- also has 10 electrons

7 0

2 years ago

What happens if you drink hydrogen peroxide?

ValentinkaMS [17]

When peroxide is swallowed, it generates oxygen bubbles in the stomach. Drinking higher concentrations of hydrogen peroxide can be very dangerous because it can cause tissue burns.

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2 years ago

As the thermal energy of matter increases, its particles usually spread out, causing

sveta [45]

Answer:

As the thermal energy of matter increases, its particles usually spread out, causing the substance to expand.

Explanation:

i have a book about this stuff

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2 years ago

Describe the difference between intensive and extensive propoerties. Which of the following propoerties are intensive: (a) mass;

STatiana [176]

Answer:

The properties that do not vary with the variation in the quantity of the material are called as intensive property.

While the extensive properties are those which vary with the variation in the quantity of the material.

Intensive properties:

Mass and volume

Extensive properties:

Density and melting point

Explanation:

The properties that do not vary with the variation in the quantity of the material are called as intensive property.

While the extensive properties are those which vary with the variation in the quantity of the material.

Intensive properties:

Mass and volume, as with increase in quantity of the material mass and volume increases.

Extensive properties:

Density and melting point, as they remain constant for a object or material

4 0

2 years ago

The concentration of a solution can be changed by _______ solute.

Snezhnost [94]

Add more solute..............

7 0

2 years ago