Homework Answers
- 1st image-(2nd option) because effective Nuclear charge Increases ( electrons are added to shell and also the number of protons in nucleus Increases which increases effective Nuclear charge)
- 2nd image-
- Orbital shape
- 3s, large,3p
- 3s,3p,more
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Part A Why do atomic radii decrease from left to right across a period of the...
8. In general, atomic radii a. decrease from left to right in a period and increase...
8. In general, atomic radii a. decrease from left to right in a period and increase down a group. b. increase from left to right in a period and decrease down a group. c. increase from left to right in a period and increase down a group d. decrease from left to right and decrease down a group. e. None of the above. Which of the following statements about different elements are true? 1. As is a metalloid and Se...
- Parta Explain why atomic radius decreases as you move to the right across a period...
- Parta Explain why atomic radius decreases as you move to the right across a period for main-group elements but not for transition elements Match the words in the left column to the appropriate blanks in the sentences on the right Reset Help proton larger As you move to the right across a row in the periodic table for the main-group elements, the effective nudear charge (Zl) experienced by the electrons in the outermost principal energy level resulting in a...
Use the concepts of effective nuclear charge, shielding, and value of the valence orbital to explain...
Use the concepts of effective nuclear charge, shielding, and value of the valence orbital to explain the trend in atomic radius as we move across a period in the periodic table. Match the words in the left column to the appropriate banks in the sentence on the right Reset Help bigger the sand increases As you move to the right across a row in the periodic table, the level stays the same However, the nuclear charge increases and the amount...
The first ionzation energy generally increases from left to right across a period. However, there are...
The first ionzation energy generally increases from left to right across a period. However, there are some exceptions to this trend. For example, boron has a smaller ionization energy than beryllium even though it lies to the right of it in the same period Select the statement that explains this exception to the trend in ionization energy. The 2p electron in boron experience a greater effective nuclear charge than the 2s electrons in beryllium, meaning it is easier to remove...
Part A Use the concepts of effective nuclear charge, shielding, and n value of the valence orbital to explain the t...
Part A Use the concepts of effective nuclear charge, shielding, and n value of the valence orbital to explain the trend in atomic radius as we move across a period in the periodic table. Match the words in the left column to the appropriate blanks in the sentence on the right Reset Help bigger the same Increases As you move to the right across a row in the periodic table, the n level increases. However, the nuclear charge decreases and...
Question 2 (1 point) Which of these describes atomic radii as one travels across a period...
Question 2 (1 point) Which of these describes atomic radii as one travels across a period (from left to right)? There is no change in the atomic radius across a period. The atomic radius does not vary in any predictable way across a period. The atomic radius increases as one moves across a period. The atomic radius decreases as one moves across a period.
Classify each statement about effective nuclear charge, Zeff, as true or false Effective nuclear charge is...
Classify each statement about effective nuclear charge, Zeff, as true or false Effective nuclear charge is dependent on the number of electrons present in the atom In a Be atom, a 1s electron has a greater Zeff than a 2s electron Across a period, as Zeff increases atomic size decreases Electrons in a p orbital are more effective than those in other orbitals at shielding other electrons from the nuclear charge A 1s electron in a Be atom has a...
Classify each statement about effective nuclear charge, Zeff, as true or false. True False Effective nuclear...
Classify each statement about effective nuclear charge, Zeff, as true or false. True False Effective nuclear charge is dependent on the number of electrons present in an atom. In a N atom, a ls electron has a greater Zer than a 2s electron. Electrons in a p orbital are more effective than those in other orbitals at shielding other electrons from the nuclear charge. Als electron in a B atom has a smaller Zeff than a ls electron in a...
Could you please give me answers for these ? thanks 1. Atomic radius decreases as we move from left to right in the periodic table. Which of the following is the BEST explanation for this trend?...
Could you please give me answers for these ? thanks 1. Atomic radius decreases as we move from left to right in the periodic table. Which of the following is the BEST explanation for this trend? a. The electrons in the valence shell increase in number and thus interact more with one another as we move from left to right. b. There is more shielding of the inner electrons as we move from left to right. c. The electrons in...
State true or false for the following: 1.Within a period, elements with higher atomic numbers require...
State true or false for the following: 1.Within a period, elements with higher atomic numbers require more energy to remove an electron from the atom, because the atoms have higher effective nuclear charge. 2.Within a family, elements with higher atomic numbers require more energy to remove an electron from the atom, because the valance electrons are in lower principal energy levels.3. Within a family, elements with lower atomic numbers have higher electronegativity because the atoms have higher effective nuclear charge.
8. In general, atomic radii a. decrease from left to right in a period and increase down a group. b. increase from left to right in a period and decrease down a group. c. increase from left to right in a period and increase down a group d. decrease from left to right and decrease down a group. e. None of the above. Which of the following statements about different elements are true? 1. As is a metalloid and Se...
- Parta Explain why atomic radius decreases as you move to the right across a period for main-group elements but not for transition elements Match the words in the left column to the appropriate blanks in the sentences on the right Reset Help proton larger As you move to the right across a row in the periodic table for the main-group elements, the effective nudear charge (Zl) experienced by the electrons in the outermost principal energy level resulting in a...
Use the concepts of effective nuclear charge, shielding, and value of the valence orbital to explain the trend in atomic radius as we move across a period in the periodic table. Match the words in the left column to the appropriate banks in the sentence on the right Reset Help bigger the sand increases As you move to the right across a row in the periodic table, the level stays the same However, the nuclear charge increases and the amount...
The first ionzation energy generally increases from left to right across a period. However, there are some exceptions to this trend. For example, boron has a smaller ionization energy than beryllium even though it lies to the right of it in the same period Select the statement that explains this exception to the trend in ionization energy. The 2p electron in boron experience a greater effective nuclear charge than the 2s electrons in beryllium, meaning it is easier to remove...
Part A Use the concepts of effective nuclear charge, shielding, and n value of the valence orbital to explain the trend in atomic radius as we move across a period in the periodic table. Match the words in the left column to the appropriate blanks in the sentence on the right Reset Help bigger the same Increases As you move to the right across a row in the periodic table, the n level increases. However, the nuclear charge decreases and...
Question 2 (1 point) Which of these describes atomic radii as one travels across a period (from left to right)? There is no change in the atomic radius across a period. The atomic radius does not vary in any predictable way across a period. The atomic radius increases as one moves across a period. The atomic radius decreases as one moves across a period.
Classify each statement about effective nuclear charge, Zeff, as true or false. True False Effective nuclear charge is dependent on the number of electrons present in an atom. In a N atom, a ls electron has a greater Zer than a 2s electron. Electrons in a p orbital are more effective than those in other orbitals at shielding other electrons from the nuclear charge. Als electron in a B atom has a smaller Zeff than a ls electron in a...
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