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Tju [1.3M]
2 years ago
9

Identify the element that has 23 protons

Chemistry
2 answers:
barxatty [35]2 years ago
3 0

Answer:

Vanadium

Explanation:

Brums [2.3K]2 years ago
3 0

Answer:

Vanadium

Explanation:

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When Mendeleev started his work on organizing the elements, about how many had
Talja [164]

Answer:

About 60.

Explanation:

Mendeleev knew of 63 elements. He wrote their properties on cards and arranged them in order of atomic mass.

That's how he discovered that the properties of elements are periodic functions of their atomic masses.

8 0
3 years ago
What type of reaction occurs when you combine copper (II) chloride whit sodium hydroxide?
Natali5045456 [20]
In this case a double displacement reaction will take place.
8 0
3 years ago
Differentiate between elements and mixtures
Ksenya-84 [330]

Answer:

ELEMENTS MIXTURE

Elements are made up of one kind of atoms. Mixtures are made up of two or more kinds of Compounds .

Elements cannot be broken down into simpler substances by any physical or chemical method. The various constituents are seperated by simple physical means

3 0
2 years ago
Read 2 more answers
Which color of light has the greatest energy
ozzi

Answer:

violet

Explanation:

Waves with a short wavelength have the most energy. Red waves have a relatively long wavelength (in the 700 nm range), and violet waves are much shorter - roughly half that. Because violet waves have the shortest wavelength of the visible light spectrum, they carry the most energy (google)

4 0
3 years ago
1. How many molecules are found in 13.7 moles of CuNO3? <br><br> Please explain step by step
Gennadij [26K]

Answer:

1 moles

Explanation:

The answer is 0.0011897028836018. We assume you are converting between moles CuNo3 and gram. You can view more details on each measurement unit: molecular weight of CuNo3 or grams The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles CuNo3, or 840.546 grams.

7 0
3 years ago
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