The Periodic Table: History and Classification 2 ( Form 2, Chemistry )

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Explore the history and basics of the periodic table.

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The Periodic Table: History and Classification 2 ( Form 2, Chemistry )


Froggy Jumps The Periodic Table: History and Classification 2 ( Form 2, Chemistry )Versión en línea Explore the history and basics of the periodic table. por YAKILI LMS 1 Who is credited with creating the first periodic table in 1869? a Dmitri Mendeleev b Henry Moseley c Lothar Meyer 2 What did Mendeleev base his table on? a Increasing atomic number b Increasing atomic mass and properties c Color of elements 3 What two main features define a modern periodic table? a Atomic theory and solvents b Isotopes and valence shells c Periodic law and groups/periods 4 Which group contains the alkali metals? a Group 2 b Group 17 c Group 1 5 Which element is a metal? a Iron b Chlorine c Oxygen 6 What is a characteristic property of metals? a High brittleness b Poor conductivity c Malleability 7 Which property is typical of non-metals? a Luster b Malleability c Poor electrical conductor 8 Which is a non-metal example? a Calcium b Nitrogen c Sodium 9 What are metals generally good at? a Gas formation b Forming acidic solutions c Conducting heat and electricity 10 What are the symbols for hydrogen and oxygen combined in water? a OH2 b H2O c HO2 11 What do periods show in the table? a Number of protons b Number of electron shells c Valence electrons only 12 What do groups show in the table? a Mass number b Atomic number c Similar chemical properties 13 Which metal is in Group 1? a Sodium b Neon c Chlorine 14 Which non-metal is essential for life? a Magnesium b Calcium c Carbon 15 Which period has the most reactive alkali metals? a Period 3 b Period 1 c Period 7 16 Which property increases across a period for metals? a Density b Electronegativity c Melting point decreases 17 Which group contains the noble gases? a Group 2 b Group 18 c Group 16 18 Which element is a noble gas? a Argon b Sodium c Nitrogen 19 What is a characteristic of nonmetals in the periodic table? a Good ductility b High reflectivity c Low density 20 Which is a metal with high ductility? a Phosphorus b Copper c Sulfur 21 What is the main use of Group 14 elements? a Gases b Semiconductors c Fuel 22 Which statement describes metals well? a Colorless and brittle b Poor conductors c Lustrous and malleable 23 Which element is a nonmetal used in batteries? a Calcium b Carbon c Magnesium 24 Which property distinguishes metals from nonmetals? a Color b Electrical conductivity c Boiling point 25 Why are noble gases unreactive? a High density b Full valence shells c Low energy 26 Which period contains the first transition metals? a Period 4 b Period 2 c Period 6 27 What does a high reactivity in metals depend on? a Ionization energy b Ionization stability c Atomic radius 28 Which element is a halogen metal? a Iron b Sodium c There is none; halogens are nonmetals 29 Which group is known as the alkaline earth metals? a Group 17 b Group 2 c Group 1 30 Which element is common in solar panels as a semiconductor? a Lead b Mercury c Silicon 31 What is the term for elements that gain electrons easily? a Noble gases b Nonmetals c Metalloids 32 Which property is typical of metals in terms of melting point? a High melting point b Variable melting point c Low melting point 33 Which is a metalloid example? a Si b Na c O2 34 What is the purpose of groups in the periodic table? a Predict chemical behaviour b Determine mass c Identify isotopes 35 What happens to elements in a period as you move right? a Increasing electronegativity b Decreasing atomic number c Decreasing density 36 Which era introduced the periodic table in education? a 20th century b 18th century c 19th century 37 Which is a typical metal property when formed into alloys? a Increased strength b Lower melting point c Decreased hardness 38 Which is a nonmetal used in fertilizers? a Nitrogen b Magnesium c Sodium 39 Which statement about metals is true? a They are brittle b They are insulators c They conduct heat well 40 What is the term for a vertical column in the periodic table? a Block b Group c Period 41 What is the term for a horizontal row in the periodic table? a Group b Period c Block 42 Which property is absent in nonmetals? a Luster b Ductility c Brittleness 43 Which group contains the alkali earth metals? a Group 2 b Group 1 c Group 17 44 Which element is a nonmetal gas at room temperature? a Argon b Calcium c Copper 45 Which statement about Period 3 elements is true? a They are all nonmetals b They are all noble gases c They start the transition metals 46 Which category does hydrogen belong to in some classifications? a Metal b Nonmetal or nonmetal-like c Noble gas 47 Which property is used to classify elements in groups of the periodic table? a Chemical similarity b Color c Taste 48 Which element is commonly used in electrical wires? a Copper b Neon c Phosphorus 49 What does the term 'periodic' imply about properties? a They are constant b They are random c They repeat in a pattern 50 Which element is a metal in Group 16? a Tellurium b Neon c Fluorine

The Periodic Table: History and Classification 2 ( Form 2, Chemistry )

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The Periodic Table: History and Classification 2 ( Form 2, Chemistry )Versión en línea

por YAKILI LMS

Who is credited with creating the first periodic table in 1869?

What did Mendeleev base his table on?

What two main features define a modern periodic table?

Which group contains the alkali metals?

Which element is a metal?

What is a characteristic property of metals?

Which property is typical of non-metals?

Which is a non-metal example?

What are metals generally good at?

What are the symbols for hydrogen and oxygen combined in water?

What do periods show in the table?

What do groups show in the table?

Which metal is in Group 1?

Which non-metal is essential for life?

Which period has the most reactive alkali metals?

Which property increases across a period for metals?

Which group contains the noble gases?

Which element is a noble gas?

What is a characteristic of nonmetals in the periodic table?

Which is a metal with high ductility?

What is the main use of Group 14 elements?

Which statement describes metals well?

Which element is a nonmetal used in batteries?

Which property distinguishes metals from nonmetals?

Why are noble gases unreactive?

Which period contains the first transition metals?

What does a high reactivity in metals depend on?

Which element is a halogen metal?

Which group is known as the alkaline earth metals?

Which element is common in solar panels as a semiconductor?

What is the term for elements that gain electrons easily?

Which property is typical of metals in terms of melting point?

Which is a metalloid example?

What is the purpose of groups in the periodic table?

What happens to elements in a period as you move right?

Which era introduced the periodic table in education?

Which is a typical metal property when formed into alloys?

Which is a nonmetal used in fertilizers?

Which statement about metals is true?

What is the term for a vertical column in the periodic table?

What is the term for a horizontal row in the periodic table?

Which property is absent in nonmetals?

Which group contains the alkali earth metals?

Which element is a nonmetal gas at room temperature?

Which statement about Period 3 elements is true?

Which category does hydrogen belong to in some classifications?

Which property is used to classify elements in groups of the periodic table?

Which element is commonly used in electrical wires?

What does the term 'periodic' imply about properties?

Which element is a metal in Group 16?