Welcome to Westonci.ca, the ultimate question and answer platform. Get expert answers to your questions quickly and accurately. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform. Experience the convenience of finding accurate answers to your questions from knowledgeable experts on our platform.

Which statement best describes the nucleus of an aluminum atom?
(1) It has a charge of +13 and is surrounded by a total of 10 electrons.
(2) It has a charge of +13 and is surrounded by a total of 13 electrons.
(3) It has a charge of –13 and is surrounded by a total of 10 electrons.
(4) It has a charge of –13 and is surrounded by a total of 13 electrons.

Sagot :

The answer is (2). The atomic number of Al atom is 13 which means that there is 13 protons in the nucleus. So the nucleus has a charge of +13. And the Al atom has net charge of 0. So there is 13 electrons surrounded the nucleus. 

Answer:

2

Explanation: