Which of the Following Elements Is an Alkaline Earth Metal

question 26

Multiple Choice

Which of the following elements is an alkaline earth metal?

• A) Ce
• B) O
• C) F
• D) K
• E) Sr

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Definitions:

Complex Conjugate

The pair of a complex number, changing the sign of its imaginary part.

Simplify

Making a complex numerical or algebraic expression easier to handle by reducing it to a more basic form.

Square Root Property

A mathematical rule stating that if \(x^2 = a\), then \(x = \pm\sqrt{a}\), which is used to solve quadratic equations.

Equation

A mathematical statement that asserts the equality of two expressions, typically written in the form \(A = B\), where \(A\) and \(B\) are expressions.