A) It is composed of protons and electrons B) It is composed of protons only C) It is composed of protons and neutrons D) It is composed of electrons and neutrons
A) + B) - C) 0
A) have an equal number of charged and noncharged particles. B) have neutrons in their nuclei. C) have an equal number of neutrons and protons. D) have an equal number of electrons and protons.
A) cooking eggs B) burning wood C) digesting food D) breaking a pencil
A) Discovery Date B) Alphabetical Order C) Atomic Number D) Atomic Mass
A) Protons B) Neutrons C) Valence Electrons D) Protons and Neutrons
A) shape B) density C) color D) pH
A) a total of eight neutrons and electrons. B) eight neutrons in its nucleus. C) a total of eight protons and neutrons. D) eight protons in its nucleus.
A) protons plus the number of neutrons. B) neutrons. C) protons plus the number of electrons. D) protons.
A) They are extremely nonreactive. B) They are located in the left-most column of the periodic table. C) They form negative ions with a -1 charge. D) They are usually gases.
A) They are extremely rare in nature. B) They are highly reactive with both metals and nonmetals. C) They form compounds with very bright colors. D) a basically nonreactive.
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) In the middle column of the periodic table. B) In the bottom rows. C) On the right side. D) On the left-most side.
A) mass;number B) color; smell C) number; mass D) location; ionization
A) 12 neutrons B) 3 neutrons C) 8 neutrons D) 6 neutrons
A) Alkali Metals B) Alkaline Earth C) Halogens D) Noble Gases
A) Halogens B) Noble Gases C) Akali D) Alkaline Earth
A) Alkaline Earth B) Noble Gases C) Alkali D) Halogens
A) Alkaline Earth B) Noble Gases C) Alkali D) Halogens
A) 5 B) 3 C) 2 D) 4
A) nonmetals B) metals C) metalloids
A) Ms. Watson B) Mosely C) Mendleev D) Einstein
A) by date discovered B) According to atomic mass C) alphabetically D) according to atomic number
A) Atomic Number-Atomic Mass B) Atomic Mass C) Atomic Number D) Atomic Mass-Atomic Number
A) Atomic Mass-Atomic Number B) Atomic Mass C) Atomic Number-Atomic mass D) Atomic Number
A) nucleus B) neutrons C) electrons D) protons
A) reactivity B) color C) pH D) flammability
A) burning B) adding dye C) breaking D) crushing
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) can be observes with the senses B) cn only be observed by changing the substance C) only can be observed in a few elements D) vary within the same element
A) chemical B) physical
A) chemical B) physical
A) it will sink B) it will float C) not enough information
A) grams B) meters C) kilograms D) hours
A) nethier accurate or precise B) accurate C) both accurate and precise D) precise
A) 1/1,000 B) 1,000 C) 100 D) 1/100
A) control B) dependent C) constant D) independent
A) growth B) fertilizer C) strawberries D) length of study
A) control B) constant C) dependent D) independent
A) stirring rod B) graduated cylinder C) beaker D) tongs
A) 13 B) 0 C) 16 D) 10
A) 18 B) 35 C) 19 D) 17
A) 12 B) 10 C) 26 D) 14
A) 10 B) 2 C) 18 D) 8
A) 5.7 amu B) 115 amu C) 0.57 amu D) 57 amu
A) 2 B) 4 C) 1 D) 3
A) Dalton B) Bohr C) Rutherford D) Thomson
A) Democritus B) Chadwick C) Thomson D) Rutherford
A) Thomson B) Shrodinger and Heisenburg C) Bohr D) Rutherford
A) Thomson B) Rutherford C) Dalton D) Bohr
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) Dalton B) Chadwick C) Rutherford D) Bohr
A) Electrons are positively charged. 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) Electron number never changes.
A) positive charge B) negative charge C) smaller mass D) larger mass
A) electrons B) neutrons C) positrons D) protons
A) 3g/ml B) 72g/ml C) 1.33g/ml D) 0.33g/ml
A) 24g B) 17.5g C) 0.094g D) 10.7g |