What is an atom?Please help

Chemistry

2 answers:

Inessa [10]1 year ago

4 0

something that makes up everything that has mass

Explanation:

Scorpion4ik [409]1 year ago

3 0

Answer:

It's the basic unit of an element.

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Thermal energy is what we call energy that come from ___ of matter

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Answer:

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Explanation:

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2 years ago

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A calorie is another term for carbohydrate.TF

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Write the balanced equation for a reaction between aqueous nitric acid (HNO3) and solid lithium metal (this is a single replacem

Lemur [1.5K]

Answer: The equation is given below.

Explanation:

Single replacement reactions are the chemical reactions in which more reactive metal displaces a less reactive metal from its chemical reaction. General equation for these reactions is given by the equation:

$A+BC\rightarrow AC+B$

Metal A is more reactive than metal B.

The reactivity of metals is judged with the help of reactivity series. In this series, the metals lying above are more reactive than the metals which lie below in the series.

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This is a type of single replacement reaction because Lithium (more reactive metal) is replacing Hydrogen (less reactive metal) from the chemical reaction.

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2 years ago

In an ion with an unknown charge, the total mass of all the electrons was determined to be 2.19 ✕ 10−26 g, while the total mass

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Answer:

$\large \boxed{\text{Fe$^{{2+}}$}}$