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