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Metals, non metals and metaloids (which have some of the properties of both metals and non metals).
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Distinction is made between these two kinds of pure substances?
two general classes of elements
Do all materials contain oxygen and silicon?
No: for example, none of the other elements contains any amount of these two elements. Other large classes of substances free from oxygen and silicon are halides and hydrocarbons.
What type of chemical reaction classes always involve oxidation?
The combination of two elements (a metal and a nonmetal) is always a redox reaction.
What are the three classes of elements?
The three classes of elements are metals, nonmetals, and metalloids.
Why are periodic tables important in chemistry clasases?
Periodic tables are important in Chemistry classes because they help understand more about protons, electrons, and neutrons of various elements.
Which of following is not one of the three main classes of elements?
Which of these is not of the three main classes of elements?Read more: Which_of_these_is_not_of_the_three_main_classes_of_elements
What two classes of elements are conductive?
Metals and metalloids are conductive.
WHAT TWO classes of elements are conducive?
Metals and metalloids are conductive.
What are the three main classes of elements in a periodic table?
Three main classes are:MetalsNon metalsTransition elementsThey are present in periodic table.
Are the three main classes of elements in the periodic table?
metalsnon metalssemi metals
What are the three classes of group A elements?
Alkali, alkaline earth metals, and nonmetals.
What are the 3 classes of matter?
The 3 "Classes of Matter" are Elements, Compounds, and mixtures. Commonly mistaken for the 3 "Phases of Matter" which are solids, liquids, and gases.
What is the class classification system for Elements?
Elements are classified into classes based on their properties and characteristics. The main classes of elements are metals, nonmetals, and metalloids. Metals are typically shiny, malleable, and good conductors of heat and electricity. Nonmetals are typically dull, brittle, and poor conductors. Metalloids have properties of both metals and nonmetals.
Distinction is made between these two kinds of pure substances?
two general classes of elements
Why are periodic tables important in most scientific classes?
Periodic tables are important in most scientific classes because they help understand similarity of properties and reactions of elements.
Which classes of elements lies between the metals and the non metals?
metalloids also called semi-metals
Can all elements be classified as either metals mealloids or non metals?
Yes, there's no other classes.
