Chemistry

1) How does the atomic radius change from left to right across a period in the periodic table?
A) It tends to decrease***
B)It tends to increase
C) It first increases, then decreases
D) It first decreases, then increases

2) What is the charge of a cation?
A) A positive charge***
B) No charge
C) A negative charge
D) The charge depends on the size of the nucleus

3) The metals in groups 1A, 2A, and 3A ____.
A) gain electrons when they form ions
B) all form ions with a negative charge
C) all have ions with a 1+ charge
D) lose electrons when they form ions***

4) Why is the second ionization energy greater than the first ionization energy?
A) It is more difficult to remove a second electron from an atom***
B) The size of atoms increases down a group
C) The size of anions decreases across a period
D) The nuclear attraction from protons in the nucleus decreases

5) Which is the element with the highest electronegativity value?
A) Cesium
B) helium
C) calcium
D) fluroine***

6) What is the energy required to remove an electron from an atom in the gaseous state called?
A) nuclear energy
B) ionization energy***
C) shielding energy
D) electronegative energy

7) Which of the following decreases with increasing atomic number in Group 2A?
A) shielding effect
B) ionic size
C) Ionization energy***
D) number of electrons

asked by Mary
  1. Thanks! 100%!

    posted by Syn

Respond to this Question

First Name

Your Response

Similar Questions

  1. Chemistry

    As you go across the period of the periodic table, you are increasing the atomic number while decreasing the atomic radius, but what causes this trend?
  2. chemistry

    please help!!! im confused... can you explain to me how period and group trends in atomic radii are related to electron configuration? is it because as you move down the table the atomic radius increases and as you move across the
  3. Science

    The Periodic Table 1) What conclusions can be drawn about the relationship between the arrangement of elements on the periodic table and the patterns observed in their properties? :Properties of elements are related to atomic
  4. Chemistry

    Which trends are observed when the elements in Period 3 on the Periodic Table are considered in order of increasing atomic number? (1) The atomic radius decreases, and the first ionization energy generally increases. (2) The
  5. chemistry

    Use the concepts of effective nuclear charge, shielding, and n value of the valence orbital to explain the trend in atomic radius as you move across a period in the periodic table.
  6. Chemistry

    Predict the answer to each question according to trends in the periodic table. Justify each answer based on the locations of the elements on the periodic table and/or the shell model. a. Which has a greater atomic radius, Al or
  7. Science

    The periodic table is arranged according to several trends. Which of the following is true as you move from left to right along the periodic table: A the element's atomic mass decreases and the atomic number increases B the
  8. science

    1. When Mendeleyev arranged the elements into the periodic table, he found that elements with fell into groups on the table A. the same mass B. similar size C. Similar properties D. The same color 2. Every element has its own
  9. Chemestry

    A new element has been discovered and you are on the task force to determine where this new element will be placed on the periodic table with its known properties. Using the model of the periodic table and its periodic patterns,
  10. chemistry

    For the elements in row 2 of the PT discover the relationship between ionization and the family number of the element Element. Family. Ionization Ener Lithium. 1 13.6 beryllium. 2. 9.3 boron. 13. 8.3 carbon. 1 4. 11.27 nitrogen.
  11. CHEM Periodic Trends

    Each of the statements below attempts to explain why some periodic property varies predictably among elements in the periodic table. Determine if each statement is true or false. Within a family, elements with higher atomic

More Similar Questions