Chemistry Fall Final 2024

Front

Which element does the following configuration represent? 1s², 2s², 2p⁶, 3s², 3p⁵

Back

Chlorine

Front

The number of significant figures in the measurement 170.040 km is ___

Back

Six

Front

Which are the sublevels in an energy level of n = 3?

Back

s, p, and d

Front

What happens to metal reactivity as you go across the periodic table?

Back

Decreases

Front

The positive particles of an atom are

Back

protons

Front

What is the atomic number of Chlorine?

Back

17

Front

Define significant figures in measurements.

Back

Significant figures are the digits in a number that contribute to its precision, including all non-zero digits, zeros between significant digits, and trailing zeros in the decimal part.

Front

What is the electron configuration for Argon?

Back

1s², 2s², 2p⁶, 3s², 3p⁶

Front

How does the reactivity of nonmetals change across the periodic table?

Back

Increases as you move from left to right.

Front

What is the charge of a proton?

Back

Positive (+1)