Metals And Non-metals Flashcards
What are metals generally characterized by?
Metals are generally characterized by high electrical and thermal conductivity, malleability, ductility, and a shiny appearance.
True or False: Non-metals are good conductors of electricity.
False
Fill in the blank: The majority of the elements in the periodic table are ______.
metals
Which of the following is a property of non-metals? A) Malleability B) High melting points C) Poor conductivity D) Ductility
C) Poor conductivity
What is the general trend of metallic character in the periodic table?
Metallic character increases down a group and decreases across a period from left to right.
Name two common non-metals.
Oxygen and nitrogen.
What is an alloy?
An alloy is a mixture of two or more metals, or a metal and a non-metal, that has metallic properties.
True or False: All metals are solid at room temperature.
False
Which metal is liquid at room temperature?
Mercury
What is the primary use of aluminum?
Aluminum is primarily used in packaging, transportation, and construction due to its lightweight and corrosion resistance.
Fill in the blank: Non-metals tend to ______ electrons during chemical reactions.
gain
Which group of the periodic table contains the noble gases?
Group 18
What is the most reactive group of metals?
Alkali metals (Group 1)
True or False: Non-metals can form anions.
True
What is the primary characteristic of alkali metals?
Alkali metals are highly reactive and have one electron in their outermost shell.
Which of the following is NOT a property of metals? A) Ductility B) Brittle C) High density D) Luster
B) Brittle
What is the chemical symbol for gold?
Au
Fill in the blank: The transition metals are found in the ______ block of the periodic table.
d
What is the significance of the octet rule in non-metals?
The octet rule states that non-metals tend to gain, lose, or share electrons to achieve a full outer shell of eight electrons.
True or False: Metals tend to have high electronegativity.
False
What is the primary use of copper?
Copper is widely used in electrical wiring and plumbing due to its excellent conductivity.
Which non-metal is essential for respiration in humans?
Oxygen
What is a common property of metalloids?
Metalloids have properties intermediate between metals and non-metals.
Fill in the blank: The most abundant metal in the Earth’s crust is ______.
aluminum
What do you call the process of metals losing electrons?
Oxidation
True or False: Iodine is a non-metal.
True
What type of bond do metals typically form?
Metallic bonds
What is the chemical formula for common salt?
NaCl
Name one property that distinguishes metals from non-metals.
Metals are typically malleable, while non-metals are not.
Which gas is produced when metals react with acids?
Hydrogen gas
Fill in the blank: The group of elements known as halogens is found in group ______ of the periodic table.
17
What is a key property of noble gases?
Noble gases are inert and do not readily react with other elements.
True or False: All non-metals are gases at room temperature.
False
Which element is known as the ‘king of metals’?
Gold
What is the significance of the periodic table’s arrangement?
The arrangement of the periodic table reflects the periodicity of element properties based on atomic number.
Fill in the blank: Metals are usually ______ in color.
silver
What type of ions do metals form?
Cations
Which non-metal is commonly used in fertilizers?
Nitrogen
What is the chemical symbol for iron?
Fe
True or False: Metals have high melting and boiling points.
True
What type of bond is formed between metals and non-metals?
Ionic bond
Which element is a liquid non-metal at room temperature?
Bromine
Fill in the blank: The most reactive non-metals are the ______.
halogens
What is the primary use of lead?
Lead is used in batteries and radiation shielding.
What do you call the shiny appearance of metals?
Luster
True or False: Non-metals generally have low ionization energies.
False
What is the process of combining metals called?
Alloying
Fill in the blank: Metals are usually ______ conductors of heat.
good
What is a common use for titanium?
Titanium is used in aerospace applications due to its strength and low density.
Which non-metal is a key component of DNA?
Phosphorus
What is the chemical symbol for sodium?
Na
True or False: Silver is a transition metal.
True
What is the main characteristic of transition metals?
Transition metals can form variable oxidation states and colored compounds.
Fill in the blank: The most common oxidation state of iron is ______.
+2
What is the primary use of zinc?
Zinc is used for galvanizing iron to prevent rust.
What is the chemical formula for carbon dioxide?
CO2
True or False: Non-metals can be found in all three states of matter at room temperature.
True
What is the main use of sulfur?
Sulfur is primarily used in the production of sulfuric acid.
Which non-metal is known for its role in the water cycle?
Oxygen
Fill in the blank: The chemical symbol for potassium is ______.
K
What type of bond is formed when two non-metals combine?
Covalent bond
What is the most abundant non-metal in the universe?
Hydrogen
True or False: Metals generally have high electronegativities.
False
What is the primary characteristic of alkali earth metals?
Alkali earth metals are reactive and have two electrons in their outermost shell.
Fill in the blank: The chemical symbol for chlorine is ______.
Cl
What is the primary use of magnesium?
Magnesium is used in alloys and as a reducing agent in the production of titanium.
Which non-metal is most commonly found in the atmosphere?
Nitrogen
What is the chemical symbol for silver?
Ag
True or False: All metals can react with water.
False
What is an example of a metalloid?
Silicon
Fill in the blank: Metals are typically ______ than non-metals.
denser
What is the primary characteristic of noble gases?
Noble gases are inert and do not readily react with other elements.
Which group of elements includes lithium and sodium?
Alkali metals (Group 1)
Fill in the blank: The most common form of carbon is ______.
graphite
What is the state of phosphorus at room temperature?
Solid
True or False: Metals can be brittle.
False
What is the chemical formula for ammonia?
NH3
What is the primary use of fluorine?
Fluorine is used in the production of fluorinated compounds and as a refrigerant.
Fill in the blank: Non-metals have ______ melting and boiling points compared to metals.
lower
Which metal is commonly used in electrical components?
Copper
True or False: Non-metals can form covalent bonds.
True
What is the chemical symbol for nitrogen?
N
Fill in the blank: The group of elements known as the alkaline earth metals is found in group ______.
2
What is the primary use of carbon in industry?
Carbon is used as a fuel and in the production of steel.
Which non-metal is essential for life?
Carbon