Why does the reactivity of metals increase from right to left on the periodic table?
Metals on the right have fewer protons, making it harder to attract electrons from other atoms.
Metals on the right have more protons, causing valence electrons to be held more strongly.
Metals on the right have more valence energy levels, so the ability of the nucleus to attract electrons is reduced.
Metals on the right have fewer valence energy levels, so electrons are closer to the nucleus and harder to pull away.

Why does the reactivity of metals increase from right to left on the periodic table?
Metals on the right have fewer protons, making it harder to attract electrons from other atoms.
Metals on the right have more protons, causing valence electrons to be held more strongly.
Metals on the right have more valence energy levels, so the ability of the nucleus to attract electrons is reduced.
Metals on the right have fewer valence energy levels, so electrons are closer to the nucleus and harder to pull away.

Which feature is unique to Group 18 nonmetals?
They have more exceptions to reactivity rules.
They are very nonreactive.
They are very reactive.
They follow a different pattern of reactivity.

Which of the following combination of elements is the most reactive?
Na and Br
Cs and Br
Cs and I
K and I

How does Rb bond with other elements?
Rb loses two electrons.
Rb gains two electrons.
Rb loses an electron.
Rb gains an electron.

Question

ldstarnes55 ldstarnes55

21-10-2021
Chemistry

contestada

Why does the reactivity of metals increase from right to left on the periodic table?
Metals on the right have fewer protons, making it harder to attract electrons from other atoms.
Metals on the right have more protons, causing valence electrons to be held more strongly.
Metals on the right have more valence energy levels, so the ability of the nucleus to attract electrons is reduced.
Metals on the right have fewer valence energy levels, so electrons are closer to the nucleus and harder to pull away.

Why does the reactivity of metals increase from right to left on the periodic table?
Metals on the right have fewer protons, making it harder to attract electrons from other atoms.
Metals on the right have more protons, causing valence electrons to be held more strongly.
Metals on the right have more valence energy levels, so the ability of the nucleus to attract electrons is reduced.
Metals on the right have fewer valence energy levels, so electrons are closer to the nucleus and harder to pull away.

Which feature is unique to Group 18 nonmetals?
They have more exceptions to reactivity rules.
They are very nonreactive.
They are very reactive.
They follow a different pattern of reactivity.

Which of the following combination of elements is the most reactive?
Na and Br
Cs and Br
Cs and I
K and I

How does Rb bond with other elements?
Rb loses two electrons.
Rb gains two electrons.
Rb loses an electron.
Rb gains an electron.

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moya1316 moya1316 · Answer 1 · 2021-10-23T03:53:11+02:00

The characteristics of the reactivity of the periodic table allows to find the correct answers to the different questions are:

1) Metals on the right have more protons, causing valence electrons to be held more strongly.

2) They are very nonreactive.

3) Na and Br

4) Rb loses an electron

1) The reactivity of a chemical element is the tendency to combine with others, this increases as it has fewer electrons in its last layer and since they are more weakly bonded.

Consequently, halogens have seven electrons in their last shell tends to attract an electron to remain with the full level and the alkaline that an electron has in the last shell tends to lose the electron to remain with a complete shell.

If we examine the periodic table the number of electrons in the last shell decreases from right to left.

Let's review the different claims:

a) False. The elements on the right side have a higher atomic number, therefore more protons.

b) True. The elements have more protons therefore it has to attract other electrons and the reactivity decreases.

c) False. As it has more electrons, it has more energy levels, losing all the electrooens is more difficult, so the reactivity decreases.

d) False. By having more electrons it has more energy levels.

2) What is the unique characteristic of the elements of group 18

The elements of group 18 are the noble gases, they have their last full layer therefore they do not have.

the correct answer is: They are very nonreactive.

3) The reactivity in the period table decreases with increasing period therefore the element of period 3 is the most reactive in this case Sodium and Halogen of group 5 is the most reactive in this case Bromine.

the compound Na and Br is the most reactive of all.

4) Rubidium has 1 electron in its last shell, both in a chemical reaction pole loses the electron.

the correct answer is: Rb loses an electron

In conclusion, using the characteristics of the reactivity of the periodic table, we can answer the different questions..

1) Metals on the right have more protons, causing valence electrons to be held more strongly.

2) They are very nonreactive.

3) Na and Br

4) Rb loses an electron

Learn more here: brainly.com/question/20970885

destinylester82 destinylester82 · Answer 2 · 2021-10-27T20:15:02+02:00

destinylester82 destinylester82

27-10-2021

The whole Patterns of Reactivity Quick Check for Honors Chemistry is

1) B. Metals on the right have more protons, causing valence electrons to be held more strongly.

2) B. by gaining electrons

3) B. They are very nonreactive

4) A. Cs and Br

5) A. Rb loses an electron

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