Answered

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Please answer it as soon as possible. Grade: 9th Subject: Science

Please Answer It As Soon As Possible Grade 9th Subject Science class=

Sagot :

keltshedup

Answer:

1aNeon

b. positive charge.

c. As atomic number is equal to no. of protons and no. of electron and atomic number 10 element is Neon.

Positive charge as it have lost one of it's electron.

Atomic number = no. of protons = no. of electron and since electron can be shared loose or gain to develop charge it have loose on electron.

2a. 4 protons

b. 2 electrons

c. In question 2(a) the atomic number of Be is 4 so it would have four protons.

And as for question (b) it is said it have 2 charge which means positive charge would mean that it have lost 2 electrons and is left with 2 electrons which fulfill it's duplet configuration.

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