An atom with atomic number 3 is in its ground state. How many electrons are in its outermost shell?
What will be an ideal response?
1
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What is the lowest frequency that will resonate in an organ pipe 1.00 m in length, closed at one end? The speed of sound in air is 340 m/s
a. 42.5 Hz c. 170 Hz b. 85.0 Hz d. 680 Hz
Bulk Modulus: At a depth of 1030 m in Lake Baikal (a fresh water lake in Siberia), the pressure has increased by 100 atmospheres (to about 107 N/m2). By what volume has 1.0 m3 of water from the surface of the lake been compressed if it is forced down to this depth? The bulk modulus of water is 2.3 × 109 Pa.
A. 2.3 × 10-3 m3 B. 3.3 × 10-3 m3 C. 4.3 × 10-3 m3 D. 5.3 × 10-3 m3
Flatten a spherical meatball into a hamburger and you increase its
A) surface area. B) volume. C) both of these D) none of these
In metallic bonding, the valence electrons are ______________electrons.
Fill in the blank(s) with the appropriate word(s).