A) It is composed of protons only B) It is composed of protons and electrons C) It is composed of protons and neutrons D) It is composed of electrons and neutrons
A) + B) 0 C) -
A) have an equal number of neutrons and protons. B) have an equal number of electrons and protons. C) have an equal number of charged and noncharged particles. D) have neutrons in their nuclei.
A) burning wood B) digesting food C) cooking eggs D) breaking a pencil
A) Atomic Mass B) Discovery Date C) Alphabetical Order D) Atomic Number
A) Neutrons B) Valence Electrons C) Protons and Neutrons D) Protons
A) color B) shape C) pH D) density
A) eight neutrons in its nucleus. B) eight protons in its nucleus. C) a total of eight protons and neutrons. D) a total of eight neutrons and electrons.
A) protons. B) protons plus the number of electrons. C) protons plus the number of neutrons. D) neutrons.
A) They are extremely nonreactive. B) They are usually gases. C) They are located in the left-most column of the periodic table. D) They form negative ions with a -1 charge.
A) They form compounds with very bright colors. B) They are highly reactive with both metals and nonmetals. C) They are extremely rare in nature. D) a basically nonreactive.
A) exist in all three states of matter in normal conditions B) have only 1 valence electron C) are nonreactive D) are all metals
A) In the bottom rows. B) On the right side. C) On the left-most side. D) In the middle column of the periodic table.
A) number; mass B) color; smell C) mass;number D) location; ionization
A) 3 neutrons B) 12 neutrons C) 6 neutrons D) 8 neutrons
A) Halogens B) Alkali Metals C) Alkaline Earth D) Noble Gases
A) Alkaline Earth B) Akali C) Halogens D) Noble Gases
A) Alkaline Earth B) Halogens C) Alkali D) Noble Gases
A) Halogens B) Alkali C) Alkaline Earth D) Noble Gases
A) 3 B) 4 C) 5 D) 2
A) metals B) nonmetals C) metalloids
A) Mendleev B) Einstein C) Ms. Watson D) Mosely
A) According to atomic mass B) alphabetically C) according to atomic number D) by date discovered
A) Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Number-Atomic Mass D) Atomic Number
A) Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Number-Atomic mass D) Atomic Number
A) nucleus B) protons C) electrons D) neutrons
A) reactivity B) pH C) flammability D) color
A) crushing B) burning C) breaking D) adding dye
A) only can be seen in a few elements B) vary within the same element C) can only be observed by changing the substance D) can be observed with senses
A) can be observes with the senses B) cn only be observed by changing the substance C) vary within the same element D) only can be observed in a few elements
A) chemical B) physical
A) physical B) chemical
A) not enough information B) it will float C) it will sink
A) meters B) grams C) hours D) kilograms
A) both accurate and precise B) precise C) accurate D) nethier accurate or precise
A) 100 B) 1/100 C) 1/1,000 D) 1,000
A) dependent B) control C) independent D) constant
A) length of study B) growth C) strawberries D) fertilizer
A) control B) dependent C) constant D) independent
A) graduated cylinder B) beaker C) stirring rod D) tongs
A) 10 B) 16 C) 0 D) 13
A) 17 B) 18 C) 35 D) 19
A) 14 B) 12 C) 10 D) 26
A) 10 B) 8 C) 18 D) 2
A) 5.7 amu B) 115 amu C) 57 amu D) 0.57 amu
A) 3 B) 1 C) 4 D) 2
A) Rutherford B) Dalton C) Thomson D) Bohr
A) Democritus B) Chadwick C) Thomson D) Rutherford
A) Thomson B) Rutherford C) Bohr D) Shrodinger and Heisenburg
A) Rutherford B) Thomson C) Dalton D) Bohr
A) Atoms combine to form compounds in simple whole number ratios. B) All matter is made of atoms. C) Atoms of the same element are exactly alike.
A) Dalton B) Bohr C) Chadwick D) Rutherford
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) smaller mass B) negative charge C) positive charge D) larger mass
A) positrons B) electrons C) neutrons D) protons
A) 3g/ml B) 1.33g/ml C) 72g/ml D) 0.33g/ml
A) 24g B) 17.5g C) 10.7g D) 0.094g |