Part 1: Fall Semester Exam Review

Front

How many protons does indium have?

Back

Indium has 49 protons.

Front

What atom matches this electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰?

Back

The atom is Zinc.

Front

When a measurement is repeatable and consistent, it is said to have...

Back

High precision.

Front

A set of data that are not close to each other, but the average is very close to the actual value can be described as...

Back

Accurate.

Front

How would you write -5.6 x 10⁻³ in standard form?

Back

-0.0056.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

Define precision in scientific measurements.

Back

Precision refers to the closeness of two or more measurements to each other.

Front

Define accuracy in scientific measurements.

Back

Accuracy refers to how close a measured value is to the actual (true) value.

Front

What is the significance of electron configuration?

Back

Electron configuration describes the distribution of electrons in an atom's orbitals.

Front

What is standard form in mathematics?

Back

Standard form is a way of writing numbers using powers of ten.