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WARRIOR [948]
3 years ago
13

What is the main difference of the food pyramid and My Plate

Chemistry
1 answer:
choli [55]3 years ago
7 0
More vegetables, more fruits, easier to use.
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Which element has properties of both metals and nonmetals?
PilotLPTM [1.2K]
<span>Metalloids have the properties of metals and nonmetals.</span>
8 0
3 years ago
whoch of the following statments doesnt describe the structure of a atowhich of the following do not describe the structure of a
ra1l [238]

Answer : The incorrect option is, The most of the mass of the atom comes from the electron cloud.

Explanation :

There are three basic particles of an atom which are neutrons, protons and electrons.

The nucleus which is present in the center of an atom that contains the neutrons and the protons. The protons are positively charged and neutrons has no charge.

The outer region of an atom contains the electrons and the electrons are negatively charged.

As per given options, the statement which is the most of the mass of the atom comes from the electron cloud is incorrect statement because the most of the mass comes from the nucleus in which protons and neutrons are present.

5 0
3 years ago
What is the mass in g of 7.009 x 10^21 molecules of Pl3?
ycow [4]
I have completed the problem

4 0
2 years ago
What is the value of R in the ideal gas law?
dybincka [34]
It’s option B 0.0821L.atm/mol.K
5 0
3 years ago
An atom has 5 electrons in its outer shell. how many unpaired electrons does it have?
lions [1.4K]

The answer is 3.

That is if an atom has 5 electrons in its outer shell, then it has 3 unpaired electrons.

As the outer shell have 1 s orbital too and that is fully filled and not available for bonding so it must have 3 unpaired electrons.

So the number of unpaired electrons in an atom that is having 5 electrons in its outer shell is 3.


4 0
3 years ago
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