Parcial 2 S2

Question 1

What is an ion?

Answer 1

An ion is a charged atom or molecule (because the protons and electrons are not balanced)

Question 2

What charges can an ion have?

Answer 2

Positive and negative

Question 3

How it’s a positive ion called? why is it positive?

Answer 3

A cation. Because it has more protons than electrons.

Question 4

How it’s a negative ion called? why is it negative?

Answer 4

Anion. Because it has more electrons than protons.

Question 5

Which ion goes first when writing the formula of a pair of metal and nonmetal ions?

Answer 5

The cations (metals) always go first.

Question 6

What happens when the two ions have the same number of protons and electrons?

Answer 6

You reduce the common factors (erase them)

Question 7

What is a type II bivalent binary ionic compound?

Answer 7

Those in which a cation and an anion are present, but metal present may form two or more cations with different charges.

Question 8

What is cellular reproduction?

Answer 8

The process by which cells duplicate themselves.

Question 9

Types of cellular reproduction:

Answer 9

Mitosis (asexual) and meiosis (sexual)

Question 10

Phases of cellular reproduction:

Answer 10

Inter, pro, meta, ana, telo