Things I don’t know Flashcards
What is an alkene?
An alkene is a hydrocarbon
What is an ion?
An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.
True or False: Ions can only be positively charged.
False: Ions can be either positively charged (cations) or negatively charged (anions).
What are metal atoms primarily characterized by?
Metal atoms are primarily characterized by their ability to conduct electricity and heat, as well as their malleability and ductility.
True or False: Metal atoms typically have a high electronegativity.
False: Metal atoms typically have low electronegativity.
What is an ion?
An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.
What are the elements in Group 1 of the periodic table commonly known as?
Alkali metals
True or False: Group 1 elements are highly reactive and tend to lose one electron.
True
Fill in the blank: The alkali metal with the highest atomic number is __________.
Cesium
Which of the following is NOT a Group 1 element? a) Lithium b) Sodium c) Magnesium
c) Magnesium
What is the typical charge of ions formed by Group 1 elements?
+1
What are the elements in Group 2 of the periodic table commonly called?
Alkaline earth metals or transation metals
True or False: Beryllium is the lightest element in Group 2.
True
Fill in the blank: The general electron configuration of Group 2 elements is __________.
ns²
Which Group 2 element is used in fireworks for its bright flame?
Strontium
What is the trend in reactivity for Group 2 elements as you move down the group?
Reactivity increases
What are the elements in Group 6 of the periodic table?
Oxygen (O), Sulfur (S), Selenium (Se), Tellurium (Te), and Polonium (Po).
True or False: All Group 6 elements are nonmetals.
False. Polonium (Po) is a metalloid.
Fill in the blank: The most abundant element in Group 6, essential for life, is ______.
Oxygen.
Which Group 6 element is commonly used in photocopiers and as a semiconductor?
Selenium.
What is the oxidation state of sulfur in most of its compounds?
+4 or +6.
What are the elements in Group 7 of the periodic table commonly known as?
Halogens
True or False: Fluorine is the most reactive element in Group 7.
True
Fill in the blank: The chemical symbol for chlorine is ____.
Cl
