CHEMISTRY HIGH SCHOOL

element x has an electron configuration of 1s²2s²2p⁶3s¹, while element z has an electron configuration of 1s²2s²2p⁵. a) which element would have greater first ionization energy? b) which element would have a larger radius? c) which element would have higher electronegativity? d) which element would form an ion that has a larger radius? e) which element would release more energy when it gains an electron?

Answers

Answer 1
Answer:

Answer:

a) Element Z will have a greater ionisation energy because it's outer electron is in a sub-shell closer to it's nucleus

b) Element X

c) Element z is fluorine which has the highest electronegativity of all elements so it's z

d)Element X

e) I would guess X but im not sure

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Answers

Answer: C

Explanation:

This is basic stoichiometry

4.5 X 10^20 Atoms x (1 mole/ 6.02 X 10^23 atoms) = 7.48 X 10^-4 moles Ag

so the answer would be C.

What is the approximate mass of one mole of oxygen gas (O2)?a. 8 g
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d. 1.204 × 1024

Answers

The correct answer is B.

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16 O2 when rounded.

Please answer these questions it is simple and easy every one look

Answers

I think that the ants would prefer honey and maple syrup - as they're full of sugars that the ants can convert to energy.

I think that the ants would also locate the source of the food very fast and that they would go there directly -as if they were telling each other where the food is. And it is true, the ants can tell the other ants to follow them in the source of food, similarly to bees.

Molecules in a sample of NH3(l) are held closely together by intermolecular forces(1) existing between ions(2) existing between electrons(3) caused by different numbers of neutrons(4) caused by unequal charge distribution

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Molecules in a sample of NH3(l) are held closely together by intermolecular forces existing between ions. The answer is number 1. NH3 is governed by hydrogen bonding. Hydrogen bonding is the bonding between an H atom and the element that it combines with.

Answer:

D) Caused by unequal charge distribution

Explanation:

which of the following is an arrhenius acid? a brønsted–lowry acid? a lewis acid? it is possible for an acid to be of more than one type.

Answers

Arrhenius acids are substances which produces hydrogen ions in solution, Arrhenius bases are substances which produces hydroxide ions in solution. A Bronsted-Lowry acid is a proton donor (usually hydrogen ion). And a Bronsted-Lowry base is a proton acceptor (usually hydrogen ion). Consider a chemical reaction between HCl and NaOH. We have the reaction HCl + NaOH à NaCl + H2O. The hydroxide ions in the NaOH are bases because they accept hydrogen ions from acids to form water. And an acid produces hydrogen ions in solution by giving a proton to the water molecule. Therefore, the answer is d. a Bronsted-Lowry base.

Which layer of the Basement Membrane of epithelial tissues is produced and secreted by cells of the underlying connective tissue? (a) Reticular Lamina (b) Lamellar Lamina (c) Papillary Lamina (d) Basal Lamina

Answers

(a) Reticular Lamina

The layer of the basement membrane of epithelial tissues that is produced and secreted by cells of the underlying connective tissue is (a) Reticular Lamina.

The basement membrane is composed of two layers: the basal lamina, which is produced by the epithelial cells themselves, and the reticular lamina, which is produced and secreted by cells of the underlying connective tissue. These two layers together provide structural support and help anchor the epithelial tissue to the underlying connective tissue.
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