Podcast
Questions and Answers
Match each item with the correct statement below:
Match each item with the correct statement below:
proton = a positively charged subatomic particle nucleus = the central part of an atom, containing protons and neutrons atom = the smallest particle of an element that retains the properties of that element electron = a negatively charged subatomic particle neutron = a subatomic particle with no charge
The sum of the protons and neutrons in an atom equals the _____.
The sum of the protons and neutrons in an atom equals the _____.
- atomic mass
- atomic number
- mass number (correct)
- nucleus number
All atoms of the same element have the same ______.
All atoms of the same element have the same ______.
- mass
- number of protons (correct)
- mass numbers
- number of neutrons
Isotopes of the same element have different ______.
Isotopes of the same element have different ______.
The mass number of an element is equal to ______.
The mass number of an element is equal to ______.
How many protons, electrons, and neutrons does an atom with atomic number 50 and mass number 125 contain?
How many protons, electrons, and neutrons does an atom with atomic number 50 and mass number 125 contain?
If E is the symbol for an element, which two of the following symbols represent isotopes of the same element?
20
- 10 E
20
2. 11E
21
3. E
21
4. 10 E
If E is the symbol for an element, which two of the following symbols represent isotopes of the same element?
20
- 10 E
20 2. 11E
21 3. E
21 4. 10 E
In which of the following is the number of neutrons correctly represented?
In which of the following is the number of neutrons correctly represented?
How do the isotopes hydrogen-1 and hydrogen-2 differ?
How do the isotopes hydrogen-1 and hydrogen-2 differ?
The atomic mass of an element depends upon the ______.
The atomic mass of an element depends upon the ______.
How does the energy of an electron change when the electron moves closer to the nucleus?
How does the energy of an electron change when the electron moves closer to the nucleus?
The principal quantum number indicates what property of an electron?
The principal quantum number indicates what property of an electron?
What is the shape of the 3p atomic orbital?
What is the shape of the 3p atomic orbital?
According to the aufbau principle, ______.
According to the aufbau principle, ______.
What is another name for the transition metals?
What is another name for the transition metals?
Each period in the periodic table corresponds to a(n) ______.
Each period in the periodic table corresponds to a(n) ______.
The modern periodic table is arranged in order of increasing atomic ______.
The modern periodic table is arranged in order of increasing atomic ______.
Which of the following categories includes the majority of the elements?
Which of the following categories includes the majority of the elements?
To what category of elements does an element belong if it is a poor conductor of electricity?
To what category of elements does an element belong if it is a poor conductor of electricity?
Elements that are characterized by the filling of p orbitals are classified as ______.
Elements that are characterized by the filling of p orbitals are classified as ______.
Of the elements Fe, Hg, U, and Te, which is a representative element?
Of the elements Fe, Hg, U, and Te, which is a representative element?
How does atomic radius change from top to bottom in a group in the periodic table?
How does atomic radius change from top to bottom in a group in the periodic table?
Which of the following factors contributes to the increase in atomic size within a group in the periodic table as the atomic number increases?
Which of the following factors contributes to the increase in atomic size within a group in the periodic table as the atomic number increases?
Which of the following statements is true about ions?
Which of the following statements is true about ions?
What is the energy required to remove an electron from an atom in the gaseous state called?
What is the energy required to remove an electron from an atom in the gaseous state called?
Compared with the electronegativities of the elements on the left side of a period, the electronegativities of the elements on the right side of the same period tend to be ______.
Compared with the electronegativities of the elements on the left side of a period, the electronegativities of the elements on the right side of the same period tend to be ______.
How many valence electrons are in an atom of phosphorus?
How many valence electrons are in an atom of phosphorus?
Which of the following elements forms an ion with a 1- charge?
Which of the following elements forms an ion with a 1- charge?
What is the formula of the ion formed when tin achieves a stable electron configuration?
What is the formula of the ion formed when tin achieves a stable electron configuration?
What is the charge on the cation in the ionic compound sodium sulfide?
What is the charge on the cation in the ionic compound sodium sulfide?
What is the net charge of the ionic compound calcium fluoride??
What is the net charge of the ionic compound calcium fluoride??
A compound composed of cations and anions is called a(n) ______.
A compound composed of cations and anions is called a(n) ______.
Which of the following is true about an ionic compound?
Which of the following is true about an ionic compound?
Ionic compounds are normally in which physical state at room temperature?
Ionic compounds are normally in which physical state at room temperature?
Which molecule has a single covalent bond?
Which molecule has a single covalent bond?
The chemical formula of an ionic compound shows ______.
The chemical formula of an ionic compound shows ______.
The side-by-side overlap of (p) orbitals produces what kind of bond?
The side-by-side overlap of (p) orbitals produces what kind of bond?
Which of the following atoms acquires the most negative charge in a covalent bond with hydrogen?
Which of the following atoms acquires the most negative charge in a covalent bond with hydrogen?
Which of the following covalent bonds is the most polar?
Which of the following covalent bonds is the most polar?
If E is the symbol for an element, which two of the following symbols represent isotopes of the same element?
If E is the symbol for an element, which two of the following symbols represent isotopes of the same element?
The electron configuration of a fluoride ion, F¯, is ______.
The electron configuration of a fluoride ion, F¯, is ______.
When placed between oppositely charged metal plates, the region of a water molecule attracted to the negative plate is the ______.
When placed between oppositely charged metal plates, the region of a water molecule attracted to the negative plate is the ______.
What type of ions have names ending in -ide?
What type of ions have names ending in -ide?
Which of the following determines that an element is a metal?
Which of the following determines that an element is a metal?
In which of the following are the symbol and name for both of the ions given correctly?
In which of the following are the symbol and name for both of the ions given correctly?
Which of the following correctly provides the names and formulas of polyatomic ions?
Which of the following correctly provides the names and formulas of polyatomic ions?
Systematic names are preferred over common names because common names ______.
Systematic names are preferred over common names because common names ______.
What is the correct formula for potassium sulfite?
What is the correct formula for potassium sulfite?
Binary molecular compounds are made of two ______.
Binary molecular compounds are made of two ______.
In naming a binary molecular compound, the number of atoms of each element present in the molecule is indicated by ______.
In naming a binary molecular compound, the number of atoms of each element present in the molecule is indicated by ______.
Which of the following is a binary molecular compound?
Which of the following is a binary molecular compound?
When naming acids, the prefix hydro- is used when the name of the acid anion ends in ______.
When naming acids, the prefix hydro- is used when the name of the acid anion ends in ______.
When the name of an anion that is part of an acid ends in -ite, the acid name includes the suffix ______.
When the name of an anion that is part of an acid ends in -ite, the acid name includes the suffix ______.
Flashcards
What is an atom?
What is an atom?
The smallest particle of an element that retains the properties of that element.
What is a proton?
What is a proton?
A positively charged subatomic particle found in the nucleus of an atom.
What is an electron?
What is an electron?
A negatively charged subatomic particle that orbits the nucleus of an atom.
What is the nucleus of an atom?
What is the nucleus of an atom?
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What is a neutron?
What is a neutron?
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What is the mass number of an atom?
What is the mass number of an atom?
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What is the atomic number of an atom?
What is the atomic number of an atom?
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What are isotopes?
What are isotopes?
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What is atomic mass?
What is atomic mass?
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What is ionization energy?
What is ionization energy?
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What is electronegativity?
What is electronegativity?
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What are valence electrons?
What are valence electrons?
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What are cations?
What are cations?
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What are anions?
What are anions?
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What are chemical bonds?
What are chemical bonds?
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What is a covalent bond?
What is a covalent bond?
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What is an ionic bond?
What is an ionic bond?
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What is an ionic compound?
What is an ionic compound?
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What is a molecular compound?
What is a molecular compound?
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What is a formula unit?
What is a formula unit?
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What does the chemical formula of a molecular compound show?
What does the chemical formula of a molecular compound show?
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What is an empirical formula?
What is an empirical formula?
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What is a catalyst?
What is a catalyst?
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What is chemical kinetics?
What is chemical kinetics?
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What is a mixture?
What is a mixture?
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What is an element?
What is an element?
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What is a compound?
What is a compound?
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Study Notes
Matching
- Protons are positively charged subatomic particles
- Electrons are negatively charged subatomic particles
- Neutrons have no charge
- Atoms are the smallest particles of an element that retains the element's properties
- Nuclei are the central part of an atom containing protons and neutrons
Multiple Choice
- The mass number is the sum of the protons and neutrons in an atom.
- All atoms of the same element have the same number of protons.
- Isotopes of the same element have a different number of neutrons.
- The mass number equals the total number of protons and neutrons in the nucleus.
- An atom with atomic number 50 and mass number 125 contains 50 protons, 50 electrons, and 75 neutrons.
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Description
Test your knowledge on atomic structure with this quiz focusing on protons, neutrons, and electrons. Answer questions about mass numbers, isotopes, and the characteristics of atoms. Ideal for students learning about fundamental chemistry concepts.
