Answer the following:1. A ____ is a set of elements that run from left to right. 2. Every element in the first period has _ shell for its _. Every element in the second period has shells for its __. How many shells will the third period have? 3. Groups are _ that run from top to bottom. 4. The elements of a group have the same number of in their shell. 5. Every element in group one has electron in its outer shell. Every element in group two has electrons in its outer shell. 6. The element that can act like it belongs to two groups is _____. Why?

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22-02-2020
Chemistry

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Answer the following:1. A ____ is a set of elements that run from left to right. 2. Every element in the first period has _ shell for its _. Every element in the second period has shells for its __. How many shells will the third period have? 3. Groups are _ that run from top to bottom. 4. The elements of a group have the same number of in their shell. 5. Every element in group one has electron in its outer shell. Every element in group two has electrons in its outer shell. 6. The element that can act like it belongs to two groups is _____. Why?

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oodaramola oodaramola · Answer 1 · 2020-02-22T04:36:48+01:00

oodaramola oodaramola

22-02-2020

Answer: 1. Periods 2. One, electrons 3. Two, electrons 3. Elements 4. Electrons, outermost 5. One, two 6. Seven, six

Explanation: they needed one and two electrons to complete their outer shell, so the have same valence but negative.

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Temitopeoyetunji5 Temitopeoyetunji5 · Answer 2 · 2020-02-22T11:19:43+01:00

Answer:

. A ____period____ is a set of elements that run from left to right. 2. Every element in the first period has _____one__ shell for its ___electronic configuration structure____. Every element in the second period has ___two___ shells for its ___electronic configuration structure__. How many shells will the third period have? The third period has 3 shells

3. Groups are ____elements___ that run from top to bottom. 4. The elements of a group have the same number of __electron____ in their ___valence___ shell. 5. Every element in group one has ___one___ electron in its outer shell. Every element in group two has ___two___ electrons in its outer shell. 6. The element that can act like it belongs to two groups is _______. Why

xplanation: