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yaroslaw [1]
3 years ago
7

An atom has9 electrons and 9 protons at the start. If it loses 2 electrons, what would the net charge on the atom be

Chemistry
1 answer:
nevsk [136]3 years ago
3 0

Answer:

i hope it will help you

Explanation:

there will be 7 electrons and 9 protons will have 2+ charge.

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katen-ka-za [31]
Why not search it up and figure it out and then write it how you would?
6 0
3 years ago
8. A student passes a magnet over 10 g of a powder. Four grams of the powder stick to the magnet, while 6 g do not. Which of the
vladimir1956 [14]

Answer:

mixture

Explanation:

The properties of the components of substance are different. One component has magnetic properties, another does not. So, we have at least 2 individual substances that were mixed together. So, we have a mixture.

7 0
3 years ago
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3- Um tipo de nutriente complexo presente
umka21 [38]

Answer:

The human body when metabolizing meat, milk or eggs, being high in protein, manufactures uric acid as a metabolite, and releases more urea in the urine.

Uric acid generates an increased retention of liquid or water, that is why people who ingest excessively meat suffer from GOTA disease.

Gout disease is systemic and life-threatening puffiness.

Furthermore uric acid is an organic compound of carbon, nitrogen, oxygen and hydrogen. Its chemical formula is C5H4N4O3. It is found in urine in small amounts.

And urea is defined as a renal parameter from the quantitative point of view; It is a colorless, crystalline chemical compound of formula CO (NH2) 2. It is found abundantly in urine and faeces.

Explanation:

To have an accurate idea of the function of the kidneys, it is sufficient to carry out a simple blood test with determination of Urea and creatinine and an analysis of a urine sample in which the presence of cells (red blood cells and leukocytes) is assessed. and / or proteins (albumin). Today these 2 types of analysis are part of the routine of any analytical study.

4 0
3 years ago
HELP PLS THIS IS SO HARD AHHHHHHH
wolverine [178]
1. The box like figure in the given image is the [BATTERY SOURCE] from where the current drawn into the circuit.

2. A string connecting positive terminal of battery to the bulb is an [ELECTRIC WIRE] through which current flows in the circuit.

3. A bubble like object in the circuit is a [BULB] which lights up when current moves through the circuit.

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The answer are uppercase.

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3 0
3 years ago
An original sample of K-40 has a mass of 25.00 grams. After 3.9 m 109 years, 3.125 grams of the original sample remains unchange
Svetllana [295]

An original sample of K-40 has a mass of 25.00 grams. After 3.9 m 109 years, 3.125 grams of the original sample remains unchanged. What is the half-life of K-40?

First step is to determine the remaining decimal amount.

3.125 grams /25.00 grams = 0.125

Second step is to determine the number of half lives.

(1/2)^n = 0.125

N log (1/2) = log 0.125

N = 3 years

7 0
4 years ago
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