Periodic table #2 2024 10 Qx

Front

What is the most likely element to be smelted with carbon?

Back

Zinc (Zn, atomic number 30) is commonly smelted with carbon.

Front

Which element is the most unreactive?

Back

Krypton (Kr, atomic number 36) is a noble gas and is the most unreactive among the given options.

Front

What is a group in the periodic table?

Back

A group is a vertical column in the periodic table where elements share similar properties.

Front

What is a period in the periodic table?

Back

A period is a horizontal row in the periodic table, indicating the number of electron shells.

Front

Which two elements have similar properties?

Back

Nitrogen (N, atomic number 7) and Phosphorus (P, atomic number 15) are in the same group and share similar properties.

Front

What are alkaline earth metals?

Back

Alkaline earth metals are the elements in Group 2 of the periodic table, including Beryllium (Be), Magnesium (Mg), Calcium (Ca), etc.

Front

What are alkali metals?

Back

Alkali metals are the elements in Group 1 of the periodic table, including Lithium (Li), Sodium (Na), Potassium (K), etc.

Front

What are noble gases?

Back

Noble gases are the elements in Group 18 of the periodic table, known for their lack of reactivity, including Helium (He), Neon (Ne), and Argon (Ar).

Front

What are halogens?

Back

Halogens are the elements in Group 17 of the periodic table, known for their reactivity, including Fluorine (F), Chlorine (Cl), and Bromine (Br).

Front

What is the significance of atomic number?

Back

The atomic number represents the number of protons in an atom's nucleus and determines the element's identity.