A) It is composed of electrons and neutrons B) It is composed of protons and neutrons C) It is composed of protons and electrons D) It is composed of protons only
A) + B) 0 C) -
A) have an equal number of neutrons and protons. B) have an equal number of charged and noncharged particles. C) have neutrons in their nuclei. D) have an equal number of electrons and protons.
A) breaking a pencil B) cooking eggs C) burning wood D) digesting food
A) Discovery Date B) Atomic Mass C) Alphabetical Order D) Atomic Number
A) Valence Electrons B) Protons C) Neutrons D) Protons and Neutrons
A) color B) shape C) density D) pH
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) 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) They are highly reactive with both metals and nonmetals. D) a basically nonreactive.
A) are all metals B) have only 1 valence electron C) are nonreactive D) exist in all three states of matter in normal conditions
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) mass;number B) color; smell C) number; mass D) location; ionization
A) 3 neutrons B) 6 neutrons C) 8 neutrons D) 12 neutrons
A) Alkaline Earth B) Halogens C) Noble Gases D) Alkaline Metals
A) Alkaline Earth B) Akali C) Halogens D) Noble Gases
A) Alkaline Earth B) Noble Gases C) Halogens D) Alkali
A) Halogens B) Noble Gases C) Alkali D) Alkaline Earth
A) 5 B) 3 C) 4 D) 2
A) metals B) metalloids C) nonmetals
A) Einstein B) Mendleev C) Ms. Watson D) Mosely
A) according to atomic number B) alphabetically C) by date discovered D) According to atomic mass
A) Atomic Mass B) Atomic Number-Atomic Mass C) Atomic Number D) Atomic Mass-Atomic Number
A) Atomic Mass-Atomic Number B) Atomic Number-Atomic mass C) Atomic Mass D) Atomic Number
A) protons B) neutrons C) electrons D) nucleus
A) flammability B) pH C) color D) reactivity
A) pH B) shape C) density D) texture
A) adding dye B) breaking C) crushing D) burning
A) precipitate forming B) burning C) rusting D) breaking
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) vary within the same element B) cn only be observed by changing the substance C) can be observes with the senses D) only can be observed in a few elements
A) physical B) chemical
A) chemical B) physical
A) not enough information B) it will sink C) it will float
A) second B) liters C) meters D) kelvin
A) grams B) kilograms C) meters D) hours
A) both accurate and precise B) nethier accurate or precise C) accurate D) precise
A) 100 B) 1,000 C) 1/1,000 D) 1/100
A) control B) independent C) constant D) dependent
A) fertilizer B) length of study C) growth D) strawberries
A) 2,500m B) 0.0025m
A) 16.5g B) 1.65g
A) 9.470x102 B) 9.470x10-2
A) 4.2x10-3 B) 4.2x103
A) 0.0000875 B) 875,000
A) 63,400 B) 0.00634
A) constant B) dependent C) control D) independent
A) tongs B) beaker C) stirring rod D) graduated cylinder
A) 0 B) 10 C) 16 D) 13
A) 18 B) 35 C) 17 D) 19
A) 26 B) 10 C) 14 D) 12
A) 8 B) 10 C) 18 D) 2
A) 5.7 amu B) 115 amu C) 0.57 amu D) 57 amu
A) 3 B) 4 C) 2 D) 1
A) 2 mol B) 89.6 mol C) 0.5 mol D) 67.2 mol
A) 5.8x1022 atoms B) 2.107x1024 atoms C) 1.72x1023 atoms D) 21.07 atoms
A) 12,144ft B) 2,295ft
A) 6.75kg B) 33.3kg
A) Thomson B) Bohr C) Rutherford D) Dalton
A) Thomson B) Rutherford C) Democritus D) Chadwick
A) Shrodinger and Heisenburg B) Bohr C) Rutherford D) Thomson
A) Bohr B) Thomson C) Rutherford 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) Bohr B) Dalton C) Rutherford D) Chadwick
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) positive charge B) larger mass C) smaller mass D) negative charge
A) electrons B) protons C) neutrons D) positrons
A) 3g/ml B) 0.33g/ml C) 72g/ml D) 1.33g/ml
A) 17.5g B) 16g C) 0.094g D) 10.7g |