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