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3 years ago

The nucleus contains positively charged _ and neutral _ and makes up more than 99% of the mass of an atom.

Chemistry

1 answer:

Mashcka [7]3 years ago

5 0

Answer:

ions

Explanation:

atoms because of the charge

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In the molecule p-chlorotoluene (image attatched of molecule), what does the p at the beginning represent?

Scorpion4ik [409]

Answer:

para

Explanation:

Ortho (o), meta (m), and para (p) refer to the location of the chloride substitution compared to the methyl group on toluene (toluene is characterized by the methyl at the top).

8 0

3 years ago

Urgent plzz help meeee thx I HAVE EXAMEEE

USPshnik [31]

Answer: $2Ag^{+}(aq)+CO_3^{2-}(aq)\rightarrow Ag_2CO_3(s)$

Explanation:

Spectator ions are defined as the ions which does not get involved in a chemical equation or they are ions which are found on both the sides of the chemical reaction present in ionic form.

The given chemical equation is:

$2AgF(aq)+Na_2CO_3(aq)\rightarrow Ag_2CO_3(s)+2NaF(aq)$

The complete ionic equation is;

$2Ag^{+}(aq)+2F^-(aq)+2Na^+(aq)+CO_3^{2-}(aq)\rightarrow Ag_2CO_3(s)+2Na^+(aq)+2F^-(aq)$

The ions which are present on both the sides of the equation are $Na^+$ and $F^-$ and are not involved in net ionic equation.

Hence, the net ionic equation is :

$2Ag^{+}(aq)+CO_3^{2-}(aq)\rightarrow Ag_2CO_3(s)$

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3 years ago

If an atom contains 60 protons, 60 electrons, and 89 neutrons. What is the mass number of the atom? *

Diano4ka-milaya [45]

To come up with the mass of the atom is you add the protons with the neutrons

so you have
60+89=149

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4 years ago

Plants and animals add carbon dioxide to the atomsphere when they ____ glucose.

labwork [276]

A! Oxidize. Hope this helps!

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3 years ago

What description best describes both mirrors and lenses?

WITCHER [35]

Mirrors reflect light and lenses refract light.
Mirrors form images by reflecting all light that is incident on their surface, which allows us to see the reflections of objects in mirrors. Lenses, on the other hand, bend light and allow it to pass through them. The bending of light is used to form enlarged images, and for many other purposes as well.

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3 years ago

Read 2 more answers

The nucleus contains positively charged ___ and neutral ___ and makes up more than 99% of the mass of an atom.

The nucleus contains positively charged _ and neutral _ and makes up more than 99% of the mass of an atom.