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