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