A) It is composed of electrons and neutrons B) It is composed of protons only C) It is composed of protons and electrons D) It is composed of protons and neutrons
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) cooking eggs B) burning wood C) breaking a pencil D) digesting food
A) Discovery Date B) Atomic Number C) Alphabetical Order D) Atomic Mass
A) Valence Electrons B) Neutrons C) Protons and Neutrons D) Protons
A) shape B) density C) color D) pH
A) eight protons in its nucleus. B) a total of eight neutrons and electrons. C) a total of eight protons and neutrons. D) eight neutrons in its nucleus.
A) protons plus the number of neutrons. B) protons. C) neutrons. D) protons plus the number of electrons.
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) 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) exist in all three states of matter in normal conditions D) are all metals
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) number; mass B) location; ionization C) color; smell D) mass;number
A) 3 neutrons B) 6 neutrons C) 12 neutrons D) 8 neutrons
A) Noble Gases B) Halogens C) Alkaline Metals D) Alkaline Earth
A) Akali B) Halogens C) Noble Gases D) Alkaline Earth
A) Halogens B) Alkali C) Alkaline Earth D) Noble Gases
A) Halogens B) Noble Gases C) Alkali D) Alkaline Earth
A) 4 B) 2 C) 5 D) 3
A) metalloids B) nonmetals C) metals
A) Einstein B) Mendleev C) Ms. Watson D) Mosely
A) by date discovered B) alphabetically C) according to atomic number D) According to atomic mass
A) Atomic Number B) Atomic Mass-Atomic Number C) Atomic Mass D) Atomic Number-Atomic Mass
A) Atomic Mass-Atomic Number B) Atomic Number C) Atomic Number-Atomic mass D) Atomic Mass
A) nucleus B) electrons C) neutrons D) protons
A) reactivity B) color C) flammability D) pH
A) density B) texture C) pH D) shape
A) breaking B) burning C) crushing D) adding dye
A) rusting B) precipitate forming C) breaking D) burning
A) vary within the same element B) only can be seen in a few elements C) can only be observed by changing the substance D) can be observed with senses
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) meters C) kilograms D) grams
A) accurate B) precise C) both accurate and precise D) nethier accurate or precise
A) 1/100 B) 1,000 C) 100 D) 1/1,000
A) control B) constant C) independent D) dependent
A) fertilizer B) length of study C) strawberries D) growth
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) 875,000 B) 0.0000875
A) 63,400 B) 0.00634
A) independent B) constant C) dependent D) control
A) tongs B) stirring rod C) beaker D) graduated cylinder
A) 10 B) 16 C) 0 D) 13
A) 19 B) 18 C) 17 D) 35
A) 14 B) 10 C) 12 D) 26
A) 8 B) 2 C) 18 D) 10
A) 115 amu B) 57 amu C) 0.57 amu D) 5.7 amu
A) 1 B) 2 C) 3 D) 4
A) 89.6 mol B) 0.5 mol C) 67.2 mol D) 2 mol
A) 5.8x1022 atoms B) 21.07 atoms C) 1.72x1023 atoms D) 2.107x1024 atoms
A) 2,295ft B) 12,144ft
A) 6.75kg B) 33.3kg
A) Thomson B) Rutherford C) Bohr D) Dalton
A) Chadwick B) Democritus C) Thomson D) Rutherford
A) Thomson B) Bohr C) Shrodinger and Heisenburg D) Rutherford
A) Bohr B) Dalton C) Rutherford D) Thomson
A) Atoms of the same element are exactly alike. B) Atoms combine to form compounds in simple whole number ratios. C) All matter is made of atoms.
A) Chadwick B) Dalton C) Rutherford D) Bohr
A) Electron number never changes. B) The mass of protons and neutrons are much smaller than the mass of the electron. C) The mass of electrons is much smaller than the mass of protons and neutrons. D) Electrons are positively charged.
A) smaller mass B) positive charge C) negative charge D) larger mass
A) electrons B) positrons C) protons D) neutrons
A) 3g/ml B) 0.33g/ml C) 72g/ml D) 1.33g/ml
A) 10.7g B) 17.5g C) 16g D) 0.094g |