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