Which element has 32 protons in its nucleus? phosphorus cobalt germanium sulfur
Answers
Answer:
Germanium.
Explanation:
In a neutral atom: the number of protons = the number of electrons.
Atomic number of a neutral atom = number of electrons = number of protons.
- Phosphorous is an element with atomic number 15 and thus contains 15 electrons and 15 protons.
- Cobalt is an element with atomic number 27 and thus contains 27 electrons and 27 protons.
- Germanium is an element with atomic number 32 and thus contains 32 electrons and 32 protons.
- Sulfur is an element with atomic number 16 and thus contains 16 electrons and 16 protons.
The element that has 32 protons in its nucleus is Germanium.
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Which of the following is the largest contributor to the salt ions in the ocean?Select one of the options below as your answer:a. sodium b. chloride c. sulfates d. calcium
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An electron has a charge ofA. –1 and the same mass as a proton B. +1 and the same mass as a proton C. –1 and a smaller mass than a proton D. +1 and a smaller mass than a proton
Answers
electron=7its electronic configuration =1s2 2s2 2p3
Answer:
2,5 or 7
Explanation:
Answers
ºF = 19 x 1.8 + 32
ºF = 34.2 + 32
= 66.2ºF
hope this helps!
24.00 g
24 g
24.0000 g
Answers
Answer : Option A) 24.0 g
Explanation : From the given choices the correct measurement using the full precision available for this balance will be 24.0 g as precision shows how close all of taken measurements are to each other. Therefore, measurements can have precision but not very close accuracy. Hence, 24.0 g confirms the criteria of being the most precise measurement amongst the given options. It will depend on how many times you weigh the same product and get the same value. This will decide the precision.
Answers
An even distribution of electron density across the molecule, which means that the molecule has no distinct positive or negative ends. This lack of polarity makes the molecule symmetrical, and the forces of attraction between individual molecules are weak. Consequently, nonpolar molecules tend to have low boiling points and are generally insoluble in polar solvents.
When two oxygen atoms come together to form an oxygen molecule (O2), they share electrons to form a covalent bond. In this bond, each oxygen atom shares two electrons with the other oxygen atom, creating a stable molecule.
While it is true that the oxygen atoms in O2 molecule are electronegative and pull on the shared electrons in opposite directions, the two oxygen atoms are identical in terms of their electronegativity. This means that they pull on the electrons with equal strength, resulting in a balanced distribution of charge across the molecule. As a result, the molecule becomes nonpolar.
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Answers
Answer : The final number of moles of gas that withdrawn from the tank to lower the pressure of the gas must be, 0.301 mol.
Explanation :
As we know that:
At constant volume and temperature of gas, the pressure will be directly proportional to the number of moles of gas.
The relation between pressure and number of moles of gas will be:
where,
= initial pressure of gas = 24.5 atm
= final pressure of gas = 5.30 atm
= initial number of moles of gas = 1.40 moles
= final number of moles of gas = ?
Now put all the given values in the above expression, we get:
Therefore, the final number of moles of gas that withdrawn from the tank to lower the pressure of the gas must be, 0.301 mol.
(2) Group 2 (4) Group 17
Answers
The oxidation state of an element is calculated by subtracting and the total sum of oxidation states of all the individual atom (excluding the one that has to be calculated) from total charge on the molecule. Option (1) is correct option.
What is oxidation state?
Oxidation state of an element is a number that is assigned to an element in a molecule that represents the number of electron gained or lost during the formation of that molecule or compound. Oxidation state is a unitless quantity.
Oxidation state of M in M₂O is:
Let oxidation state of M be X
Oxidation state of Oxygen is -2
Overall charge on the molecule is 0
so 2X+(-2)=0
X=+1
So from here we can see that oxidation state of M is +1 which is possessed only by group 1 element
Hence option (1) is correct option.
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Therefore, (1) Group 1 is the correct answer because elements in group 1 have 1 valence electron.
Hope this helps~