Chemistry Flashcards
(39 cards)
Group 1 Elements
Lithium, Sodium, Potassium, rubidium, caesium, francium
Group 7 Elements
Fluorine, Chlorine, bromine, iodine, astatine
What is another name for group 7?
the halogens
Group 0 Elements
Helium, neon, argon, krypton, xenon, radon
What is another name for group 1?
Alkali metals
What is another name for group 0?
noble gases
Which element in Group 1 is the lightest?
Lithium
True or False: Group 0 elements are also known as noble gases.
True
Fill in the blank: The most reactive group of nonmetals is Group __.
7
Which Group 7 element is commonly used in disinfectants?
Chlorine
What is the state of most Group 0 elements at room temperature?
Gaseous
Which element in Group 1 is used in batteries?
Lithium
Multiple choice: Which of the following is NOT a halogen? A) Fluorine B) Iodine C) Argon D) Bromine
C) Argon
True or False: Noble gases typically form compounds with other elements.
False
What is the main characteristic of Group 1 metals?
They are highly reactive and have one electron in their outer shell.
Fill in the blank: The halogen that is a solid at room temperature is __.
Iodine
What is the chemical symbol for Potassium?
K
Which halogen is the most electronegative element?
Fluorine
Multiple choice: Which noble gas is used in light bulbs? A) Helium B) Neon C) Argon D) Xenon
C) Argon
What is the trend in reactivity for Group 1 elements as you move down the group?
Reactivity increases.
True or False: Chlorine can exist as a diatomic molecule.
True
Fill in the blank: The halogens have __ valence electrons.
7
What is the primary use of Helium?
Filling balloons and as a coolant in cryogenics.
What happens when a Group 1 metal reacts with water?
It produces hydrogen gas and a metal hydroxide.