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Questions and Answers
What is the law related to the statement 'there are allocations'?
What is the law related to the statement 'there are allocations'?
- Law of Avogadro
- Law of Nagy (correct)
- Law of Conservation of Mass
- Law of Dalton
What is the electron dot model used for?
What is the electron dot model used for?
- To represent the electron configuration of an atom (correct)
- To determine the boiling point of a substance
- To calculate the pH of a solution
- To draw the molecular structure of a compound
What is the formula for the compound formed by the reaction of magnesium and oxygen?
What is the formula for the compound formed by the reaction of magnesium and oxygen?
- MgO2
- MgO (correct)
- Mg2O
- Mg3O2
Which of the following compounds is not likely to be formed by the reaction of iron and oxygen?
Which of the following compounds is not likely to be formed by the reaction of iron and oxygen?
Why do batteries stay fresh longer when kept in cold storage?
Why do batteries stay fresh longer when kept in cold storage?
What does the group A number of an element represent?
What does the group A number of an element represent?
What type of bond is formed between two nonmetal atoms?
What type of bond is formed between two nonmetal atoms?
What is the term for a charged atom or group of atoms?
What is the term for a charged atom or group of atoms?
What is the term for a reaction where a compound breaks down into two or more simple substances?
What is the term for a reaction where a compound breaks down into two or more simple substances?
What is the term for a type of covalent bond where the atoms equally share the electrons?
What is the term for a type of covalent bond where the atoms equally share the electrons?
What is the term for a notation that shows what elements a compound contains and their ratio?
What is the term for a notation that shows what elements a compound contains and their ratio?
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