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Veseljchak [2.6K]
2 years ago
7

Ice will ________ in water. A. float B. sink C. stay the same

Chemistry
2 answers:
mixas84 [53]2 years ago
4 0

Answer:

A. float.

Explanation:

Ice has a lower density than water so it will float.

It is a good job it does, otherwise some oceans would be frozen solid!!

Marizza181 [45]2 years ago
3 0

Answer:

It floats.

Explanation:

Ice would float because it is about 9% less dense than water

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Write the formula for calcium chloride. Explain how you determined this formula
hichkok12 [17]

Calcium forms an ion with a positive 2 charge and chlorine forms an ion with a negative one charg, so the formula is <span>CaC<span>l2</span></span>

Group 1 metals and group 2 metals form positive ions by losing 1 and 2 electrons respectively. Non-metals in group 17 gain 1, group 16 gain 2 and group 15 gain 3. Elements which lose electrons form positive ions while elements that gain electrons form negative ions. 

To write a formula, you must balance charges so the overall charge is zero. A simple way to do this is to swap the # of the ion's charge and make it the subscript of the other ion. However, leave off the number 1 and reduce to lowest whole number ratio.

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3 years ago
Infer if the mineral Talc would be a good choice when building a statue outside?
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3 years ago
T’Keyah puts salt in ice water and then in boiling water to see which will dissolve faster.Which dissolving rate factor is she t
WARRIOR [948]

Answer:

temperature

Explanation:

its in the book

8 0
2 years ago
Read 2 more answers
The atomic number of an element is the total number of which particles in the nucleus?
VARVARA [1.3K]

An atom of element has there subatomic particles namely, proton, electron and neutron. Here, for a neutral atom, number of proton is equal to number of electron (this is not in the case of ions), this is equal to atomic number of an atom. In an atom, nucleus contains protons and neutrons which is responsible for mass of the atom and electrons move around nucleus in fixed orbits. Thus, atomic mass of an atom is equal to sum of number of protons and neutrons.

Option (b): Proton is the particle in nucleus of an atom, whose total number is equal to atomic number of that atom.

(4) Option (b): Atoms of same element have same atomic number because mass number can be different for different isotopes of atom. Since, atomic number is equal to number of protons, thus, number of protons are same for all atoms of the same element.

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4 0
3 years ago
Read 2 more answers
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Answer:

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Explanation:

Since there are only 2 significant figures in 0.024 ( and 0.024 is the number with the least number of significant numbers), the answer is 330,000, not 331,000.

5 0
3 years ago
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