Periodic Trends

Front

What is electronegativity?

Back

Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons. It is a key factor in determining how atoms interact in chemical bonds.

Front

Which element has a higher electronegativity than arsenic (As)?

Back

Carbon (C) has a higher electronegativity than arsenic.

Front

What is ionization energy?

Back

Ionization energy is the energy required to remove an electron from an atom in its gaseous state. It indicates how strongly an atom holds onto its electrons.

Front

Which element has a higher ionization energy than arsenic (As)?

Back

Neon (Ne) has a higher ionization energy than arsenic.

Front

What is a metalloid?

Back

Metalloids are elements that have properties intermediate between metals and nonmetals. They are typically semiconductors.

Front

Which element is classified as a metalloid?

Back

Arsenic (As) is classified as a metalloid.

Front

How is the Modern Periodic Table of Elements arranged?

Back

The Modern Periodic Table is arranged by atomic number, which is the number of protons in an atom's nucleus.

Front

What is atomic number?

Back

Atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is the trend of electronegativity across a period in the periodic table?

Back

Electronegativity generally increases across a period from left to right due to increasing nuclear charge.

Front

What is the trend of ionization energy down a group in the periodic table?

Back

Ionization energy generally decreases down a group due to increased distance between the nucleus and the outermost electrons.