A) It is composed of protons only B) It is composed of protons and electrons C) It is composed of electrons and neutrons D) It is composed of protons and neutrons
A) 0 B) + C) -
A) have an equal number of electrons and protons. B) have neutrons in their nuclei. C) have an equal number of charged and noncharged particles. D) have an equal number of neutrons and protons.
A) cooking eggs B) digesting food C) breaking a pencil D) burning wood
A) Discovery Date B) Atomic Number C) Atomic Mass D) Alphabetical Order
A) Valence Electrons B) Protons and Neutrons C) Neutrons D) Protons
A) pH B) density C) shape D) color
A) eight protons in its nucleus. B) a total of eight protons and neutrons. C) a total of eight neutrons and electrons. D) eight neutrons in its nucleus.
A) protons. B) protons plus the number of electrons. C) protons plus the number of neutrons. D) neutrons.
A) They are located in the left-most column of the periodic table. B) They are usually gases. C) They form negative ions with a -1 charge. D) They are extremely nonreactive.
A) a basically nonreactive. B) They are highly reactive with both metals and nonmetals. C) They form compounds with very bright colors. D) They are extremely rare in nature.
A) are all metals B) have only 1 valence electron C) exist in all three states of matter in normal conditions D) are nonreactive
A) In the middle column of the periodic table. B) On the left-most side. C) On the right side. D) In the bottom rows.
A) color; smell B) location; ionization C) mass;number D) number; mass
A) 8 neutrons B) 3 neutrons C) 6 neutrons D) 12 neutrons
A) Alkaline Metals B) Halogens C) Alkaline Earth D) Noble Gases
A) Halogens B) Alkaline Earth C) Noble Gases D) Akali
A) Alkaline Earth B) Noble Gases C) Halogens D) Alkali
A) Noble Gases B) Halogens C) Alkaline Earth D) Alkali
A) 2 B) 3 C) 4 D) 5
A) nonmetals B) metals C) metalloids
A) Mendleev B) Mosely C) Ms. Watson D) Einstein
A) According to atomic mass B) by date discovered C) alphabetically D) according to atomic number
A) Atomic Number-Atomic Mass B) Atomic Mass C) Atomic Number D) Atomic Mass-Atomic Number
A) Atomic Mass B) Atomic Number C) Atomic Mass-Atomic Number D) Atomic Number-Atomic mass
A) electrons B) nucleus C) neutrons D) protons
A) pH B) color C) flammability D) reactivity
A) pH B) texture C) shape D) density
A) crushing B) burning C) adding dye D) breaking
A) rusting B) breaking C) burning D) precipitate forming
A) can only be observed by changing the substance B) can be observed with senses C) only can be seen in a few elements D) vary within the same element
A) vary within the same element B) only can be observed in a few elements C) can be observes with the senses D) cn only be observed by changing the substance
A) physical B) chemical
A) chemical B) physical
A) not enough information B) it will sink C) it will float
A) meters B) kelvin C) liters D) second
A) grams B) kilograms C) hours D) meters
A) accurate B) nethier accurate or precise C) both accurate and precise D) precise
A) 1/100 B) 1/1,000 C) 1,000 D) 100
A) independent B) dependent C) constant D) control
A) strawberries B) length of study C) growth D) fertilizer
A) 2,500m B) 0.0025m
A) 16.5g B) 1.65g
A) 9.470x10-2 B) 9.470x102
A) 4.2x103 B) 4.2x10-3
A) 0.0000875 B) 875,000
A) 63,400 B) 0.00634
A) constant B) control C) dependent D) independent
A) beaker B) graduated cylinder C) tongs D) stirring rod
A) 0 B) 16 C) 13 D) 10
A) 17 B) 18 C) 35 D) 19
A) 14 B) 26 C) 10 D) 12
A) 18 B) 2 C) 8 D) 10
A) 57 amu B) 5.7 amu C) 115 amu D) 0.57 amu
A) 1 B) 2 C) 4 D) 3
A) 89.6 mol B) 0.5 mol C) 67.2 mol D) 2 mol
A) 2.107x1024 atoms B) 1.72x1023 atoms C) 21.07 atoms D) 5.8x1022 atoms
A) 12,144ft B) 2,295ft
A) 6.75kg B) 33.3kg
A) Dalton B) Rutherford C) Bohr D) Thomson
A) Chadwick B) Democritus C) Rutherford D) Thomson
A) Rutherford B) Shrodinger and Heisenburg C) Bohr D) Thomson ![]()
A) Thomson B) Rutherford C) Bohr D) Dalton
A) All matter is made of atoms. B) Atoms combine to form compounds in simple whole number ratios. C) Atoms of the same element are exactly alike.
A) Chadwick B) Rutherford C) Bohr D) Dalton
A) Electron number never changes. B) The mass of electrons is much smaller than the mass of protons and neutrons. C) The mass of protons and neutrons are much smaller than the mass of the electron. D) Electrons are positively charged.
A) larger mass B) smaller mass C) positive charge D) negative charge
A) neutrons B) positrons C) electrons D) protons
A) 72g/ml B) 0.33g/ml C) 3g/ml D) 1.33g/ml
A) 10.7g B) 16g C) 17.5g D) 0.094g |